List of Thomas Edison's American patents
Gregory Aharonian
www.patenting-art.com/history/edison.htm
Thomas Edision is one of America's most prolific inventors. What follows is a list of 1098 patents covering his many inventions.
1908830 1933 Holder for article to be electroplated 1862740 1932 Production of molded articles 1836066 1931 Electroplating apparatus 1829856 1931 Dynamoelectric machine 1744534 1930 Production of molded articles 1744533 1930 Mounting for diaphragms of sound boxes 1740079 1929 Extraction of rubber from plants 1732609 1929 Apparatus for producing storage battery electrode elements 1711265 1929 Phonograph reproducer 1708692 1929 Phonograph 1702935 1929 Receiving apparatus for radio and telephone circuits 1690159 1928 Producing sound record tablets 1678246 1928 Producing alkali-metal compounds from silicates containing them 1651196 1927 Storage battery 1649579 1927 Storage battery electrode element and production thereof 1644670 1927 Cabinet RE16614 1927 Storage battery 1600722 1926 Mounting for diamonds and the like 1599121 1926 Production of depolarizing agent for voltaic battery 1583783 1926 Centrifugal speed governor D69689 1926 Phonograph cabinet D69688 1926 Phonograph cabinet 1559562 1925 Storage battery 1546573 1925 Production of disk phonograph records 1526326 1925 Storage battery D69068 1925 Phonograph cabinet 1495580 1924 Producing chlorinated rubber 1492023 1924 Sound record 1489240 1924 Voltaic battery and the production of electrode elements therefor 1488481 1924 Regeneration of alkaline storage battery elements 1488480 1924 Regeneration of alkaline storage battery elements D66228 1924 Grille for phonograph cabinets D66227 1924 Grille for phonograph cabinets 1456687 1923 Stylus mounting 1425458 1923 Stylus mounting 1425184 1922 Production of thin metal sheets or foils 1425183 1922 Transmitter 1417464 1922 Production of thin metal sheets or foils 1417463 1922 Mold 1411425 1922 Production of molded articles 1410391 1922 Protective coating for steel and iron 1402751 1922 Storage battery electode and the production of same 1386095 1921 Electrode element for galvanic batteries and producing same 1379089 1921 Production of thin metallic sheets or foils 1379088 1921 Storage battery 1377194 1921 Storage battery 1377193 1921 Production of molded articles 1377192 1921 Production of molded articles 1371414 1921 Nickel plating 1369272 1921 Molding 1369271 1921 Cleaning of metallic surfaces 1364359 1921 Protecting varnish for electrodes of electrolytic cells 1364358 1921 Battery tray 1359972 1920 Electroplating 1342326 1920 Composition of matter for sound records or like and making same RE14798 1920 Swagging machine 1326854 1919 Apparatus for the production of concrete structures 1326330 1919 Mold for sound records 1323218 1919 Method/means for improving the rendition of musical compositions 1311955 1919 Tube filling and tamping machine 1300709 1919 Projectile 1300708 1919 Projectile 1299693 1919 Storage battery 1297294 1919 Projectile 1292277 1919 Swinging machine 1290138 1919 Friction speed governor 1286259 1918 Means for recording sound 1283706 1918 Para-phenylene-di-amin substance and process relating thereto 1275232 1918 Production of finely divided metals 1266780 1918 Storage battery 1266779 1918 Electric safety lantern 1266778 1918 Making screens for projection 1255517 1918 Starting and current supplying system for automobiles 1248468 1917 Celluloid record blank 1234451 1917 Mold or transfer plate 1234450 1917 Celluloid record blank 1221981 1917 Alternating current rectifier 1219272 1917 Constructing concrete buildings 1207383 1916 Sound record tablet 1207382 1916 Primary battery 1204420 1916 Sound box 1201449 1916 Sound modifying device 1201448 1916 Coating apparatus 1198426 1916 Production of electrode elements 1197723 1916 Coating apparatus 1192400 1916 Electrical system for automobiles 1190133 1916 Means for recording sounds 1184334 1916 Phonograph or talking machine 1184333 1916 Phonograph or talking machine 1184332 1916 Phonograph or talking machine 1182897 1916 Apparatus for recording and reproducing motion and sounds 1178063 1916 Receptacle filling machine 1178062 1916 Moving picture apparatus 1167638 1916 Means for concentrating ores 1167637 1916 Utilizing waste heat in kilns 1167485 1916 Storage battery 1167484 1916 Production of nickel hydroxid 1163329 1915 Filament for incandescent electric lamps 1158661 1915 Phonograph or talking machine 1158660 1915 Phonograph record 1158659 1915 Phonograph record 1152616 1915 Contact for electrical apparatus 1152615 1915 Alternating current rectifying system 1152614 1915 Phonographic recording apparatus 1152613 1915 Burning Portland cement clinker 1148832 1915 Means for utilizing the waste heat in kilns 1146414 1915 Making phonograph records 1146413 1915 Producing tablets for sound records 1143818 1915 Charging storage batteries 1142507 1915 Sound recording apparatus 1138360 1915 Presenting the illusion of scenes in colors 1130156 1915 Machine for shaving sound records or blanks 1126428 1915 Sound recording apparatus 1123261 1915 Mold for concrete construction 1119142 1914 Sound record 1119141 1914 Sound reproducer 1118114 1914 Making molds for sound records 1115463 1914 Electrode element 1111999 1914 Phonograph record 1110428 1914 Forming phonograph styli 1110382 1914 Sound modifier 1106444 1914 Fuel feeding apparatus 1099349 1914 Making sound record molds 1099348 1914 Phonograph reproducer 1099347 1914 Phonograph reproducer 1099346 1914 Phonograph reproducer 1099241 1914 Rectifier 1083356 1914 Storage battery 1083355 1914 Forming chemical compounds 1083354 1914 Insulating compound 1083353 1914 Production of perforated strips 1078266 1913 Sound box 1078265 1913 Making phonograph records 1078264 1913 Phonographic recording or reproducing apparatus 1073107 1913 Storage battery 1065597 1913 Cement burning kiln 1059661 1913 Manufacture of Portland cement 1056517 1913 Means for reproducing sound 1055621 1913 Reproducer 1055524 1913 Dumping mechanism 1052656 1913 Phonograph reproducer 1050630 1913 Separating copper from other metals 1050629 1913 Separating copper from other metals 1050436 1913 Apparatus for producing rubber strips 1050355 1913 Phonograph 1046159 1912 Phonograph reproducer 1046414 1912 Phonograph determining device 1041983 1912 Phonograph stylus 1041756 1912 Conveyer 1036470 1912 Phonographic apparatus 1024839 1912 Phonographic recording stylus 1020485 1912 Phonograph reproducer 1019441 1912 Sound recording apparatus 1019440 1912 Phonograph reproducer 1036471 1912 Storage battery 1034003 1912 Battery cell container 1034002 1912 Storage battery 1016875 1912 Electroplating apparatus 1016874 1912 Means and method for preventing depletion of electrolyte 1014818 1912 Giant rolls 1013869 1912 Bearing RE13434 1912 Discharging apparatus for belt conveyers RE13382 1912 Crushing and separating fine materials 1012828 1911 Storage battery 1012250 1911 Recording telephone 1002505 1911 Composition for sound records and other objects 1002504 1911 Crushing and separating fine materials 999762 1911 Storage battery and treating the same 996625 1911 Phonograph reproducer 995070 1911 Rotary kiln 993294 1911 Device for feeding pulverulent material 991433 1911 Bucket conveyor RE13329 1911 Kinetoscope 976792 1910 Storage battery 976791 1910 Storage battery electrode 975340 1910 Phonograph reproducer 975339 1910 Duplicating talking machine records 970616 1910 Flying machine 970615 1910 Method and apparatus for making sound records 967178 1910 Tube forming machine 964221 1910 Sound record 964097 1910 Device for viewing moving pictures 964096 1910 Electroplating 963362 1910 Apparatus for recording or reproducing sounds 962823 1910 Crushing roll 962822 1910 Crushing roll 962081 1910 Apparatus for recording sounds 956317 1910 Tube sealing machine 954789 1910 Sprocket chain drive 950227 1910 Apparatus for making metallic films or flakes 950226 1910 Phonographic recording apparatus 948558 1910 Storage battery electrode 948542 1910 Treating cans of alkaline storage batteries 947806 1910 Automobile 946540 1910 Storage battery 944481 1909 Apparatus for artificially aging or seasoning Portland cement 943664 1909 Sound recording apparatus 943663 1909 Horn for talking machines 941630 1909 Apparatus for artificially aging or seasoning Portland cement 940635 1909 Electrode element for storage batteries 939992 1909 Phonographic recording and reproducing machine 939817 1909 Cement kiln 936525 1909 Making metallic films or flakes 936433 1909 Tube filling and tamping machine 936267 1909 Feed mechanism for phonographs and other machines 930949 1909 Apparatus for burning Portland cement 930948 1909 Apparatus for burning Portland cement 930947 1909 Gas purifier 930946 1909 Apparatus for burning Portland cement 923633 1909 Shaft coupling 914372 1909 Making thin metallic flakes 914343 1909 Making storage battery electrodes 914342 1909 Storage battery 909877 1909 Telegraphy 909169 1909 Waterproofing paint for Portland cement structures 909168 1909 Waterproofing fibers and fabrics 909167 1909 Waterproofing paint for Portland cement buildings 898633 1908 Filling apparatus for storage battery jars 898404 1908 Making articles by electroplating 896812 1908 Storage battery 896811 1908 Metallic film for use with storage battery electrodes 890625 1908 Apparatus for grinding coal 882144 1908 Storage battery electrode 880979 1908 Making storage battery electrodes 880978 1908 Electode element for storage batteries 880484 1908 Producing very thin sheet metal 879859 1908 Apparatus for producing very thin sheet metal 879612 1908 Alkaline storage battery 876445 1908 Electrolyte for alkaline storage batteries 873220 1907 Reversible galvanic battery 873219 1907 Feed regulator for grinding machines 871214 1907 Reversible galvanic battery 870024 1907 Apparatus for producing perforated strips 865688 1907 Making metallic films or flakes 865687 1907 Making nickel films 865367 1907 Fluorescent electric lamp 862145 1907 Making seamless tubular products or receptacles for storage battery electrodes 861819 1907 Discharging apparatus for belt conveyors 861242 1907 Can or receptacle for storage batteries 861241 1907 Portland cement and manufacturing the same 860195 1907 Storage battery electrode 857929 1907 Storage battery electrode 857041 1907 Can or receptacle for storage batteries 855562 1907 Diaphragm for talking machines 854200 1907 Making storage battery electrodes 852424 1907 Secondary battery 850913 1907 Secondary battery 850912 1907 Making articles by electroplating 850881 1907 Composite metal 847746 1907 Electrical welding apparatus 841677 1907 Apparatus for grinding and separating fine materials 839372 1906 Phonograph record or blank 839371 1906 Coating active material with flake-like conducting material 832046 1906 Automatic weighing and mixing apparatus 831269 1906 Storage battery electrode plate 831606 1906 Sound recording apparatus 827717 1906 Making composite metals 827297 1906 Alkaline battery 827089 1906 Calcining furnace 821628 1906 Making conducting films 821627 1906 Making metallic films or flakes 821626 1906 Making metallic films or flakes 821625 1906 Treating alkaline storage batteries 821624 1906 Gas separator for storage batteries 821623 1906 Storage battery filling apparatus 821622 1906 Cleaning metallic surfaces 821032 1906 Storage battery 817162 1906 Treating alkaline storage batteries 813491 1906 Pocket filling machine 813490 1906 Cement kiln 804799 1905 Apparatus for perforating sheet metal 802631 1905 Apparatus for burning Portland cement clinker 800800 1905 Phonograph record and making the same 797845 1905 Sheet metal for perforated pockets of storage batteries 796629 1905 Lamp guard 790351 1905 Duplicating phonograph records 785297 1905 Gas separator for storage batteries RE12393 1905 Leading-in wire for incandescent electric lamps 775965 1904 Dry separator 775600 1904 Rotary cement kiln 772648 1904 Vehicle wheel 772647 1904 Photographic film for moving picture machines 767554 1904 Rendering storage battery gases non-explosive 767216 1904 Apparatus for vacously depositing metals 766815 1904 Primary battery 764183 1904 Separating mechanically entrained globules from gases 759358 1904 Magnetic separating apparatus 759357 1904 Apparatus for burning Portland cement clinker 759356 1904 Burning Portland cement clinker 758432 1904 Stock house conveyer 754859 1904 Reversible galvanic battery 754858 1904 Storage battery tray 754756 1904 Separating ores from magnetic gangue 754755 1904 Compressing dies 750102 1904 Electric automobile RE12192 1904 Kinetoscopic film 734522 1903 Nickel plating 727118 1903 Manufacturing electrolytically active finely divided iron 727117 1903 Reversible galvanic battery 727116 1903 Grinding rolls 724089 1903 Means for operating motors in dust laden atmospheres 723450 1903 Reversible galvanic battery 723449 1903 Electrode for storage batteries 722502 1903 Means for handling cable drawn cars on inclines 721870 1903 Funnel for filling storage battery cans or analogous purposes 721682 1903 Reversible galvanic battery 713863 1902 Coating phonograph records 713209 1902 Duplicating phonograms 705829 1902 Reproducer for sound records 704306 1902 Reversible galvanic battery 704305 1902 Electrode for batteries 704304 1902 Reversible galvanic battery 704303 1902 Reversible galvanic battery 704010 1902 Apparatus for concentrating magnetic iron ores 703774 1902 Reproducer for phonographs 703562 1902 Apparatus for bricking pulverized material 703051 1902 Electric meter 701804 1902 Reversible galvanic battery 700137 1902 Reversible galvanic battery 700136 1902 Reversible galvanic battery 692507 1902 Reversible galvanic battery RE12038 1902 Kinetoscopic film RE12037 1902 Kinetoscope 688610 1901 Phonographic recording apparatus 685911 1901 Apparatus for reheating compressed air for industrial purposes 684205 1901 Reversible galvanic battery 684204 1901 Reversible galvanic battery 680520 1901 Making metallic duplicate phonograph records 679500 1901 Apparatus for screening or sizing very fine materials 678722 1901 Reversible galvanic battery 676841 1901 Magnetic separating apparatus 676840 1901 Magnetic separating apparatus 676618 1901 Magnetic separator 676225 1901 Phonographic recording apparatus 675057 1901 Apparatus for screening pulverized material 675056 1901 Magnetic separator 674057 1901 Grinding or crushing rolls 672617 1901 Apparatus for breaking rock 672616 1901 Breaking rock 671317 1901 Screening or rescreening fine materials 671316 1901 Apparatus for screening or rescreening fine materials 671315 1901 Conveyer 671314 1901 Lubricating journal bearings 667662 1901 Duplicating phonograph records 667202 1901 Apparatus for duplicating phonograph records 667201 1901 Flight conveyor 663015 1900 Electric meter 662063 1900 Sampling, averaging, mixing and storing materials in bulk 661238 1900 Machine for forming pulverized material into briquets 660845 1900 Apparatus for sampling, averaging, mixing and storing materials in bulk 660293 1900 Electric meter 659389 1900 Electric meter 657922 1900 Apparatus for reheating compressed air for industrial purposes 657527 1900 Making metallic duplicate phonograph records 655480 1900 Phonographic reproducing device 652457 1900 Phonograph 648935 1900 Apparatus for duplicating phonograph records 648934 1900 Screening or sizing very fine materials 648933 1900 Drier 643764 1900 Reheating compressed air for industrial purposes 641281 1900 Expanding pulley RE11857 1900 Phonograph 637327 1899 Rolls 626460 1899 Filament for incandescent lamps and manufacturing same 622843 1899 Phonograph 610706 1898 Phonograph 609268 1898 Phonograph 607588 1898 Phonograph 605668 1898 Mixer 605667 1898 Phonograph 605475 1898 Drying apparatus 604740 1898 Governor for motors 602064 1898 Conveyer 589168 1897 Kinetographic camera 575151 1897 Phonograph 567187 1896 Crushing roll 564423 1896 Separating ores 563462 1896 Method of and apparatus for drawing wire 543987 1895 Filament for incandescent lamps 543986 1895 Process of treating and products derived from vegetable fibers 543985 1895 Incandescent conductor for electric lamps 545405 1895 System of electrical distribution 541924 1895 Phonograph 541923 1895 Phonograph 534209 1895 Incandescent electric lamp 534208 1895 Induction converter 534207 1895 Manufacture of carbon filaments 534206 1895 Filament for incandescent lamps 526147 1894 Plating one material with another 525888 1894 Manufacture of carbons for electric lamps 525007 1894 Manufacture of carbon filaments 524378 1894 System of electrical distribution 524136 1894 Regulator for dynamoelectric machines 513097 1894 Phonograph 513096 1894 Method of and apparatus for mixing materials 513095 1894 Phonograph 512872 1894 Sextuplex telegraph 509518 1893 Electric railway 509517 1893 System of electrical distribution 509428 1893 Composition brick and making same 506216 1893 Apparatus for making glass 506215 1893 Making plate glass 500282 1893 Phonograph 500281 1893 Phonograph 500280 1893 Phonograph 499879 1893 Phonograph 498385 1893 Roller for crushing ore or other material 496191 1893 Phonograph 493858 1893 Transmission of power 493426 1893 Apparatus for exhibiting photographs of moving objects 493425 1893 Electric locomotive 492789 1893 Speaking telegraph 492150 1893 Coating conductors for incandescent lamps 491993 1893 Stop device 491992 1893 Cut-out for incandescent electric lamps 490954 1893 Manufacture of carbon filaments for electric lamps 490953 1893 Generating electricity 488191 1892 Phonogram blank 488190 1892 Phonograph reproducer 488189 1892 Phonograph 486634 1892 System of railway signaling 485842 1892 Magnetic ore separation 485841 1892 Magnetically separating ores 485840 1892 Bricking fine iron ores 485617 1892 Incandescent lamp filament 485616 1892 Manufacture of carbon filaments 485615 1892 Manufacture of carbon filaments 484585 1892 Phonograph 484584 1892 Phonograph reproducer 484583 1892 Phonograph cutting tool 484582 1892 Duplicating phonograms 484185 1892 Manufacture of carbon filaments 484184 1892 Manufacture of carbon filaments 484183 1892 Electrical depositing meter 482549 1892 Means for controlling electric generation 480567 1892 Duplex telegraph 479184 1892 Facsimile telegraph 478743 1892 Telephone repeater 476993 1892 Electric arc lamp 476992 1892 Incandescent electric lamp 476991 1892 Method of and apparatus for separating ores 476990 1892 Electric meter 476989 1892 Conductor for electric railways 476988 1892 Lightning arrester 476987 1892 Electric locomotive 476986 1892 Means for propelling electric cars 476985 1892 Trolley for electric railways 476984 1892 Expansible pulley 476983 1892 Pyromagnetic generator 476532 1892 Ore screening apparatus 476531 1892 Electric lighting system 476530 1892 Incandescent electric lamp 476529 1892 System of electrical distribution 476528 1892 Incandescent electric lamp 476527 1892 System of electric lighting 475494 1892 Electric railway 475493 1892 Electric locomotive 475492 1892 Electric locomotive 475491 1892 Electric locomotive 474593 1892 Dustproof swivel shaft bearing 474592 1892 Ore conveying apparatus 474591 1892 Extracting gold from sulphide ores 474232 1892 Speaking telegraph 474231 1892 Speaking telegraph 474230 1892 Speaking telegraph 472753 1892 Ore screening apparatus 472752 1892 Dust proof journal bearing 472288 1892 Dust proof bearing for shafts 471268 1892 Ore conveyer and arranging ore thereon 470930 1892 Dynamoelectric machine 470929 1892 Magnetic separator 470928 1892 Alternating current generator 470927 1892 Driving mechanism for cars 470926 1892 Dynamoelectric machine or motor 470925 1892 Manufacture of filaments for incandescent electric lamps 470924 1892 Electric conductor 470923 1892 Railway signaling 470922 1892 Manufacture of filaments for incandescent lamps 468950 1892 Commutator brush for electric motors and dynamos 468949 1892 Converter system for electric railways 466460 1892 Electrolytic decomposition 466400 1892 Cutout for incandescent lamps 465973 1891 Armature for dynamos or motors 465972 1891 Phonograph 465971 1891 Means for transmitting signals electrically 465970 1891 Armature connection for motors or generators 465251 1891 Bricking fine ores 465250 1891 Extracting copper pyrites 464822 1891 System of distributing electricity 462540 1891 Incandescent electric lamp 460123 1891 Phonogram blank carrier 460122 1891 Process of and apparatus for generating electricity 459835 1891 Manufacture of incandescent electric lamps 457344 1891 Smoothing tool for phonogram blanks 457343 1891 Magnetic belting 456302 1891 Phonograph 456301 1891 Phonograph doll 454942 1891 Phonograph 454941 1891 Phonograph recorder or reproducer 454558 1891 Incandescent electric lamp 454262 1891 Incandescent lamp filament 453741 1891 Phonograph 453601 1891 Sextuplex telegraph 452913 1891 Sextuplex telegraph 450740 1891 Phonograph recorder 448781 1891 Turning off device for phonographs 448780 1891 Device for turning off phonogram blanks 448779 1891 Telegraph 448778 1891 Electric railway 446669 1891 Manufacture of filaments for incandescent electric lamps 446668 1891 Electric arc lamp 446667 1891 Locomotive for electric railways 446666 1891 System of electric lighting 444530 1891 Leading-in wire for incandescent electric lamps 443507 1890 Phonograph 439393 1890 Carbonizing chamber 439392 1890 Electric lighting system 439391 1890 Junction box for electric wires 439390 1890 System of electric lighting 439389 1890 Electric lighting system 438810 1890 Lamp base 438309 1890 Insulating electrical conductors 438308 1890 System of electrical distribution 438307 1890 Manufacture of incandescent electric lamps 438306 1890 Telephone 438305 1890 Fuse block 438304 1890 Electric signaling apparatus 438303 1890 Arc lamp 438302 1890 Commutator for dynamoelectric machines 438301 1890 System of electric lighting 438300 1890 Gage for testing fibers for incandescent lamp carbons 438299 1890 Manufacture of carbon filaments 438298 1890 Manufacture of incandescent electric lamps 437429 1890 Phonogram blank 437428 1890 Propelling device for electric cars 437427 1890 Making phonogram blanks 437426 1890 Phonograph 437425 1890 Phonograph recorder 437424 1890 Phonograph 437423 1890 Phonograph 437422 1890 Telegraphy 436970 1890 Apparatus for transmitting power 436969 1890 Method of and apparatus for drawing wire 436968 1890 Method of and apparatus for drawing wire 436127 1890 Electric motor 435690 1890 Making armatures for dynamoelectric machines 435689 1890 Telegraphy 435688 1890 Process of and apparatus for generating electricity 435687 1890 Means for charging and using secondary batteries 434589 1890 Propelling mechanism for electric vehicles 434588 1890 Magnetic ore separator 434587 1890 Thermoelectric battery 434586 1890 Electric generator 434585 1890 Telegraph relay 431018 1890 Dynamo or magneto electric machine 430934 1890 Electric lighting system 430933 1890 Filament for incandescent lamps 430932 1890 Manufacture of incandescent lamps 430570 1890 Phonogram blank 430280 1890 Magnetic separator 430279 1890 Voltaic battery 430278 1890 Phonograph 430277 1890 Automatic determining device for phonographs 430276 1890 Phonograph 430275 1890 Magnetic separator 430274 1890 Phonogram blank 426527 1890 Automatic determining device for phonographs 425763 1890 Commutator for dynamoelectric machines 425762 1890 Cutout for incandescent electric lamps 425761 1890 Incandescent lamp 425760 1890 Measurement of electricity in distribution system 423039 1890 Phonographs for dolls or other toys 422579 1890 Telephone repeater 422578 1890 Telephone repeater 422577 1890 Apparatus for speaking telephones 422074 1890 Telegraphy 422073 1890 Telegraphy 422072 1890 Telegraphy 420594 1890 Quadruplex telegraph 414761 1889 Phonogram blank 414760 1889 Phonograph 414759 1889 Phonogram blank 411020 1889 Manufacture of carbon filaments 411019 1889 Manufacture of incandescent electric lamps 411018 1889 Manufacture of incandescent electric lamps 411017 1889 Carbonizing flask 411016 1889 Manufacture of carbon filaments 406825 1889 Electric meter 406824 1889 Electric meter 406576 1889 Phonogram blank 406575 1889 Automatic determining device for phonographs 406574 1889 Automatic determining device for phonographs 406573 1889 Automatic determining device for phonographs 406572 1889 Automatic determining device for phonographs 406571 1889 Treating phonogram blanks 406570 1889 Phonograph 406569 1889 Phonogram blank 406568 1889 Phonograph 406567 1889 Telephone 406130 1889 Manufacture of incandescent electric lamps 404902 1889 Electrical distribution system 401646 1889 Incandescing electric lamp 401486 1889 System of electric lighting 400650 1889 Making phonogram blanks 400649 1889 Making phonogram blanks 400648 1889 Phonogram blank 400647 1889 Phonograph 400646 1889 Phonograph recorder and reproducer 400317 1889 Ore separator 398774 1889 Incandescent electric lamp 397706 1889 Phonograph 397705 1889 Winding field magnets 397280 1889 Phonograph recorder and reproducer 396356 1889 Magnetic separator 395963 1889 Incandescent lamp filament 395962 1889 Manufacturing electric lamps 395123 1888 Circuit controller for dynamoelectric machine 394106 1888 Phonograph reproducer 394105 1888 Phonograph reproducer 393968 1888 Phonograph reproducer 393967 1888 Recording and reproducing sounds 393966 1888 Recording and reproducing sounds 393466 1888 Phonograph recorder 393465 1888 Preparing phonograph recording surfaces 393464 1888 Machine for making phonogram blanks 393463 1888 Machine for making phonogram blanks 393462 1888 Making phonogram blanks 391596 1888 Incandescent electric lamp 391595 1888 System of electric lighting 390462 1888 Making carbon filaments 389369 1888 Incandescing electric lamp 386974 1888 Phonograph 385173 1888 System of electrical distribution 384830 1888 Railway signaling 382462 1888 Phonogram blank 382419 1888 Duplicating phonograms 382418 1888 Phonogram blank 382417 1888 Making phonogram blanks 382416 1888 Feed and return mechanism for phonographs 382415 1888 System of electrical distribution 382414 1888 Burnishing attachment for phonographs 380102 1888 System of electrical distribution 380101 1888 System of electrical distribution 380100 1888 Pyromagnetic motor 379944 1888 Commutator for dynamoelectric machines 379772 1888 System of electrical distribution 379771 1888 Regulator for dynamoelectric machines 379770 1888 Incandescent electric lamp 378044 1888 Telephone transmitter 377518 1888 Magnetic separator 377374 1888 Telegraphy 373584 1887 Dynamoelectric machine 370132 1887 Telegraphy 370131 1887 Electrical transmission of power 370130 1887 Electrical transmission of power 370129 1887 Electrical transmission of power 370128 1887 Electrical transmission of power 370127 1887 Electrical transmission of power 370126 1887 Electrical transmission of power 370125 1887 Electrical transmission of power 370124 1887 Manufacture of filaments for incandescing electric lights 370123 1887 Electric meter 369443 1887 System of electrical distribution 369442 1887 System of electrical distribution 369441 1887 System of electrical distribution 369439 1887 System of electrical distribution 369280 1887 System of electrical distribution 365978 1887 System of electrical distribution 365509 1887 Filament for incandescent electric lamps 365465 1887 Valve gear 358600 1887 Incandescing electric lamp 358599 1887 Incandescent electric lamp 354310 1886 Manufacture of carbon conductors 353783 1886 Incandescent electric lamp 351856 1886 Incandescent electric lamp 351855 1886 Electric lamp 350235 1886 Railway telegraphy 350234 1886 System of railway signaling 348114 1886 Electrode for telephone transmitters 347097 1886 Electrical signaling apparatus 343017 1886 System of electrical distribution 341839 1886 Incandescing electric lamp 341644 1886 Incandescent electric lamp 340709 1886 Telephone circuit 340708 1886 Electrical signaling apparatus 340707 1886 Telephonic repeater 339279 1886 System of electrical distribution 339278 1886 Electric railway 337254 1886 Telephone 334853 1886 Mold for carbonizing 317633 1885 Incandescent electric lamp 317632 1885 Incandescent electric lamp 317631 1885 Incandescent electric lamp 314115 1885 Chemical stock quotation telegraph 333291 1885 Way station quadruplex telegraph 333290 1885 Duplex telegraphy 333289 1885 Telegraphy 329030 1885 Telephone 328575 1885 System of electric lighting 328574 1885 System of electric lighting 328573 1885 System of electric lighting 328572 1885 Commutator for dynamoelectric machines 307031 1884 Electrical indicator 307030 1884 Electrical meter 307029 1884 Filament for incandescent lamps 304087 1884 Electrical conductor 304086 1884 Incandescent electric lamp 304085 1884 System of electrical distribution 304084 1884 Device for protecting electric light systems from lightning 304083 1884 Dynamoelectric machine 304082 1884 Electrical meter 298956 1884 Operating dynamoelectric machines 298955 1884 Dynamoelectric machine 298954 1884 Dynamoelectric machine 298679 1884 Treating carbons for electric lights 297587 1884 Dynamoelectric machine 297586 1884 Electrical conductor 297585 1884 Incandescing conductor for electric lamps 297584 1884 Dynamoelectric machine 297583 1884 Dynamoelectric machine 297582 1884 Dynamoelectric machine 297581 1884 Incandescent electric lamp 297580 1884 Electric arc light 295990 1884 Typewriter 293435 1884 Electrical meter 293434 1884 Incandescent electric lamp 293433 1884 Insulation of railway tracks used for electric circuits 293432 1884 Electrical generator or motor 288318 1883 Regulator for dynamo or magneto electric machines 287525 1883 Regulator for systems of electrical distribution 287524 1883 Regulator for dynamoelectric machines 287523 1883 Dynamo or magneto electric machine 287522 1883 Mold for carbonizing 287521 1883 Dynamo or magneto electric machine 287520 1883 Incandescing conductor for electric lamps 287519 1883 Incandescing electric lamp 287518 1883 Manufacturing incandescing electric lamps 287517 1883 System of electrical distribution 287516 1883 System of electric distribution 287515 1883 System of electrical distribution 287514 1883 Dynamoelectric machine 287513 1883 Dynamoelectric machine 287512 1883 Dynamoelectric machine 287511 1883 Electric regulator 283986 1883 System of electrical distribution 283985 1883 System of electrical distribution 283984 1883 System of electrical distribution 283983 1883 System of electrical distribution 282287 1883 Magnetoelectric signaling apparatus 281353 1883 Dynamo or magneto electric machine 281352 1883 Webermeter 281351 1883 Electrical generator 281350 1883 Regulator for dynamoelectric machines 281349 1883 Regulator for dynamoelectric machines 280727 1883 System of electrical distribution 278419 1883 Dynamoelectric machine 278418 1883 Apparatus for translating electric currents from high to low tension 278417 1883 Manufacture of incandescing electric lamps 278416 1883 Manufacture of incandescing electric lamps 278415 1883 Manufacture of incandescing electric lamps 278414 1883 Regulator for dynamoelectric machines 278413 1883 Regulator for dynamoelectric machines 276233 1883 Electrical generator and motor 276232 1883 Operating and regulating electrical generators 275613 1883 Incandescing electric lamp 275612 1883 Manufacture of incandescing electric lamps 274577 1883 Telephone 274576 1883 Transmitting telephone 274296 1883 Manufacture of incandescents 274295 1883 Incandescent electric lamp 274294 1883 Incandescent electric lamp 274293 1883 Electric lamp 274292 1883 Secondary battery 274191 1883 Mold for carbonizing 274190 1883 System of electrical distribution 273828 1883 System of underground conductors for electrical distribution 273715 1883 Malleableizing iron 273714 1883 Magnetoelectric signaling apparatus 273494 1883 Electric railway 273493 1883 Valve gear for electrical generator engines 273492 1883 Secondary battery 273491 1883 Regulator for driving engines of electrical generators 273490 1883 Electromagnetic railway system 273489 1883 Turntable for electric railways 273488 1883 Regulator for dynamoelectric machines 273487 1883 Regulator for dynamoelectric machines 273486 1883 Incandescing electric lamp 273485 1883 Incandescing electric lamp 272034 1883 Telephone 271616 1883 Regulator for dynamoelectric machines 271615 1883 Governor for dynamoelectric machines 271614 1883 Shafting 271613 1883 Manufacture of incandescing electric lamps 268206 1882 Incandescing electric lamp 268205 1882 Dynamo or magneto electric machine 266793 1882 Electric distribution system 266588 1882 Vacuum apparatus 266447 1882 Electric incandescent lamp 266022 1882 Telephone 266021 1882 Telephone 265786 1882 Apparatus for the electrical transmission of power 265785 1882 Dynamoelectric machine 265784 1882 Regulator for dynamoelectric machines 265783 1882 Regulator for dynamoelectric machines 265782 1882 Regulator for dynamoelectric machines 265781 1882 Regulator for dynamoelectric machines 265780 1882 Regulator for dynamoelectric machines 265779 1882 Regulator for dynamoelectric machines 265778 1882 Electromagnetic railway engine 265777 1882 Treating carbons for electric lamps 265776 1882 Electric lighting system 265775 1882 Electric arc light 265774 1882 Maintaining temperature in webermeters 265311 1882 Electric lamp and holder for the same 264673 1882 Regulator for dynamoelectric machines 264672 1882 Regulator for dynamoelectric machines 264671 1882 Regulator for dynamoelectric machines 264670 1882 Regulator for dynamoelectric machines 264669 1882 Regulator for dynamoelectric machines 264668 1882 Regulator for dynamoelectric machines 264667 1882 Regulator for dynamoelectric machines 264666 1882 Regulator for dynamoelectric machines 264665 1882 Regulator for dynamoelectric machines 264664 1882 Regulator for dynamoelectric machines 264663 1882 Regulator for dynamoelectric machines 264662 1882 Regulator for dynamoelectric machines 264661 1882 Regulator for dynamoelectric machines 264660 1882 Regulator for dynamoelectric machines 264659 1882 Regulator for dynamoelectric machines 264658 1882 Regulator for dynamoelectric machines 264657 1882 Incandescent electric lamp 264656 1882 Incandescent electric lamp 264655 1882 Incandescent electric lamp 264654 1882 Incandescent electric lamp 264653 1882 Incandescent electric lamp 264652 1882 Incandescent electric lamp 264651 1882 Incandescent electric lamp 264650 1882 Manufacture of incandescing electric lamps 264649 1882 Dynamo or magneto electric machine 264648 1882 Dynamo or magneto electric machine 264647 1882 Dynamo or magneto electric machine 264646 1882 Dynamo or magneto electric machine 264645 1882 System of conductors for the distribution of electricity 264643 1882 Magnetoelectric machine 264642 1882 Electric distribution and translation system 263878 1882 Electric lamp 263150 1882 Magneto or dynamo electric machine 263149 1882 Commutator for dynamo or magneto electric machines 263148 1882 Dynamo or magneto electric machine 263147 1882 Vacuum apparatus 263146 1882 Dynamo or magneto electric machine 263145 1882 Making incandescents 263144 1882 Mold for carbonizing incandescents 263143 1882 Magneto or dynamo electric machine 263142 1882 Electrical distribution system 263141 1882 Straightening carbons of electric incandescent lamps 263140 1882 Dynamoelectric machine 263139 1882 Manufacture of carbons for electric lamps 263138 1882 Electric arc light 263137 1882 Electric chandelier 263136 1882 Regulator for dynamo or magneto electric machines 263135 1882 Electric lamp 263134 1882 Regulator for dynamo or magneto electric machines 263133 1882 Dynamo or magneto electric machine 263132 1882 Electromagnetic railway 263131 1882 Magnetic ore separator 257677 1882 Telephone 252442 1882 Telephone 251559 1881 Electrical drop light 251558 1881 Webermeter 251557 1881 Webermeter 251556 1881 Regulator for magneto or dynamo electric machines 251555 1881 Regulator for dynamo electric machines 251554 1881 Electric lamp and socket or holder 251553 1881 Electric chandelier 251552 1881 Underground conductor 251551 1881 System of electric lighting 251550 1881 Magneto or dynamo electric machine 251549 1881 Electric lamp and the manufacture thereof 251548 1881 Incandescent electric lamp 251547 1881 Electrical governor 251546 1881 Electric lamp 251545 1881 Electric meter 251544 1881 Manufacture of electric lamps 251543 1881 Electric lamp 251542 1881 System of electric lighting 251541 1881 Electromagnetic motor 251540 1881 Carbon for electric lamps 251539 1881 Electric lamp 251538 1881 Electric lamp 251537 1881 Dynamoelectric machine 251536 1881 Vacuum pump 248565 1881 Webermeter 248437 1881 Apparatus for treating carbons for electric lamps 248436 1881 Depositing cell for plating the connections of electric lamps 248435 1881 Utilizing electricity as a motive power 248434 1881 Governor for electric engines 248433 1881 Vacuum apparatus 248432 1881 Magnetic separator 248431 1881 Preserving fruit 248430 1881 Electromagnetic brake 248429 1881 Electric motor 248428 1881 Manufacture of incandescent electric lamps 248427 1881 Apparatus for treating carbons for electric lamps 248426 1881 Apparatus for treating carbons for electric lamps 248425 1881 Apparatus for producing high vacuums 248424 1881 Fitting and fixture for electric lamps 248423 1881 Carbonizer 248422 1881 System of electric lighting 248421 1881 Current regulator for dynamoelectric machines 248420 1881 Fixture and attachment for electric lamps 248419 1881 Electric lamp 248418 1881 Electric lamp 248417 1881 Manufacturing carbons for electric lights 248416 1881 Manufacture of carbons for electric lights 242901 1881 Electric meter 242900 1881 Manufacturing carbons for electric lights 242899 1881 Electric lighting 242898 1881 Magneto or dynamo electric machine 242897 1881 Incandescent electric lamp 242896 1881 Incandescent electric lamp 240678 1881 Webermeter 239745 1881 Electric lamp 239374 1881 Regulating the generation of electric current 239373 1881 Electric lamp 239372 1881 Testing electric light carbons 239154 1881 Relay for telegraphs 239153 1881 Electric lamp 239152 1881 System of electric lighting 239151 1881 Forming enlarged ends on carbon filaments 239150 1881 Electric lamp 239149 1881 Incandescing electric lamp 239148 1881 Treating carbons for electric lamps 239147 1881 System of electric lighting 238868 1881 Manufacture of carbons for incandescent electric lamps 238098 1881 Magneto signal apparatus 237732 1881 Electric light 235142 1880 Acoustic telegraph 231704 1880 Electrochemical receiving telephone 230621 1880 Addressing machine 230255 1880 Manufacturing electric lamps 228617 1880 Brake for electromagnetic motors 228329 1880 Magnetic ore separator 227679 1880 Phonograph 227229 1880 Electric light 227228 1880 Electric light 227227 1880 Electric light 227226 1880 Safety conductor for electric lights 224665 1880 Preparing autographic stencils for printing 224329 1880 Electric lighting apparatus 223898 1880 Electric lamp 222881 1879 Magnetoelectric machine 222390 1879 Carbon telephone 221957 1879 Telephone 219628 1879 Electric light 219393 1879 Dynamoelectric machine 218866 1879 Electric lighting apparatus 218167 1879 Apparatus for electric lights 218166 1879 Magnetoelectric machine 217782 1879 Duplex telegraph 217781 1879 Sextuplex telegraph 214637 1879 Thermal regulator for electric lights 214636 1879 Electric light 213554 1879 Automatic telegraph 210767 1878 Vocal engine 209241 1878 Quadruplex telegraph receiver 208299 1878 Speaking telephone 207724 1878 Duplex telegraph 207723 1878 Duplex telegraph 205370 1878 Pneumetic stencil pen 203329 1878 Perforating pen 203019 1878 Circuit for acoustic or telephonic telegraph 203018 1878 Telephone or speaking telegraph 203017 1878 Telephone call signal 203016 1878 Speaking telegraph 203015 1878 Speaking telegraph 203014 1878 Speaking telegraph 203013 1878 Speaking telegraph 201760 1878 Speaking machine 200994 1878 Automatic telegraph perforator and transmitter 200993 1878 Acoustic telegraph 200521 1878 Phonograph or speaking machine 200032 1878 Synchronous movement for electric telegraphs 198089 1877 Telephonic or electroharmonic telegraph 198088 1877 Telephonic telegraph 198087 1877 Telephonic telegraph 196747 1877 Stencil pen 195752 1877 Automatic telegraph 195751 1877 Automatic telegraph 186548 1877 Telegraphic alarm and signal apparatus 186330 1877 Acoustic electric telegraph 185507 1876 Electroharmonic multiplex telegraph 182996 1876 Acoustic telegraph 180858 1876 Duplex telegraph 180857 1876 Autographic printing 178223 1876 Duplex telegraph 178222 1876 Duplex telegraph 178221 1876 Duplex telegraph 173718 1876 Automatic telegraphy 172305 1876 Automatic Roman-character telegraph 171273 1875 Telegraph apparatus 169972 1875 Electric signaling instrument 168467 1875 Recording point for chemical telegraphs 168466 1875 Solution for chemical telegraphs 168465 1875 Solution for chemical telegraphs 168385 1875 Duplex telegraph 168243 1875 Automatic telegraph 168242 1875 Transmitter and receiver for automatic telegraphs 168004 1875 Printing telegraph 166861 1875 Chemical telegraphy 166860 1875 Chemical telegraphy 166859 1875 Chemical telegraphy 162633 1875 Duplex telegraph 160580 1875 Solution for chemical telegraph paper 160405 1875 Adjustable electromagnet for relays 160404 1875 Solution for chemical telegraph paper 160403 1875 Solution for chemical telegraph paper 160402 1875 Solution for chemical telegraph paper 158787 1875 Telegraph apparatus 156843 1874 Duplex chemical telegraph 154788 1874 District telegraph signal box 151209 1874 Automatic telegraphy and perforators therefor 150848 1874 Chemical or automatic telegraph 150847 1874 Receiving instrument for chemical telegraphs 150846 1874 Telegraph relay 147917 1874 Duplex telegraph 147314 1874 Circuit for chemical telegraph 147313 1874 Chemical telegraph 147312 1874 Perforator for automatic telegraphy 147311 1874 Electric telegraph 146812 1874 Telegraph signal box 142999 1873 Galvanic battery 142688 1873 Electric regulator for transmitting instruments 141777 1873 Relay magnet 141776 1873 Circuit for automatic telegraphs 141775 1873 Perforator for automatic telegraphs 141774 1873 Chemical telegraphs 141773 1873 Circuit for automatic telegraphs 141772 1873 Circuit for automatic or chemical telegraphs 140489 1873 Circuit for printing telegraphs 140488 1873 Printing telegraph 140487 1873 Printing telegraph 139129 1873 Printing telegraph 139128 1873 Printing telegraph 138870 1873 Printing telegraph 138869 1873 Printing telegraph 135531 1873 Circuit for chemical telegraphs 134868 1873 Electromagnetic adjuster 134867 1873 Automatic telegraph instrument 134866 1873 Printing telegraph instrument 133841 1872 Typewriting machine 133019 1872 Electrical printing machine 132456 1872 Apparatus for perforating paper for telegraphic use 132455 1872 Paper for chemical telegraphs 131344 1872 Unison stop for printing telegraphs 131343 1872 Transmitter and circuit for printing telegraphs 131342 1872 Printing telegraph instrument 131341 1872 Printing telegraph instrument 131340 1872 Printing telegraph 131339 1872 Printing telegraph 131338 1872 Printing telegraph 131337 1872 Printing telegraph 131336 1872 Printing telegraph 131335 1872 Printing telegraph 131334 1872 Rheotomes or circuit directors 130795 1872 Electromagnet 128608 1872 Printing telegraph instrument 128607 1872 Printing telegraph 128606 1872 Printing telegraph 128605 1872 Printing telegraph 128604 1872 Printing telegraph 128131 1872 Printing telegraph 126535 1872 Printing telegraph 126534 1872 Printing telegraph 126533 1872 Printing telegraph 126532 1872 Printing telegraph 126531 1872 Printing telegraph 126530 1872 Printing telegraph 126529 1872 Type wheel for printing telegraphs 126528 1872 Type wheel for printing telegraphs 124800 1872 Telegraph recording instrument 123984 1872 Telegraph apparatus 123006 1872 Printing telegraph 123005 1872 Telegraph apparatus 121601 1871 Machinery for perforating paper for telegraphic purposes 114658 1871 Electromagnet for telegraph instruments 114657 1871 Relay magnet for telegraph instruments 114656 1871 Telegraphic transmitting instrument 113034 1871 Printing telegraph apparatus 113033 1871 Printing telegraph apparatus 111112 1871 Governor for electromotors 103924 1870 Printing telegraph apparatus 103035 1870 Electromotor escapement 102320 1870 Printing telegraph apparatus 96681 1869 Automatic electrical switch for telegraph apparatus 96567 1869 Printing telegraph 91527 1869 Printing telegraph 90646 1869 Electrographic vote recorder