| | Pat. No. | Title of Invention | Year |
|---|
| 1 | 247278 | Dynamo-electric machine | 1881 |
| 2 | 257988 | Shunting device for electric lights | 1882 |
| 3 | 257989 | Electric-arc lamp | 1882 |
| 4 | 257990 | Combined electric motor and generator | 1882 |
| 5 | 259061 | Dynamo electric machine | 1882 |
| 6 | 259062 | Electric lamp | 1882 |
| 7 | 261280 | Electric-arc lamp | 1882 |
| 8 | 262333 | Electric-arc lamp | 1882 |
| 9 | 266735 | Inductorium | 1882 |
| 10 | 270352 | Device for controlling electrical currents | 1883 |
| 11 | 275549 | Dynamo-electric machine | 1883 |
| 12 | 276099 | Storage or secondary battery | 1883 |
| 13 | 282414 | Secondary electric battery | 1883 |
| 14 | 284779 | Retort for carbonizing incandescents | 1883 |
| 15 | 285527 | Device for adjusting the brushes of dynamo-electric machines | 1883 |
| 16 | 285528 | Regulator for electric apparatus | 1883 |
| 17 | 285529 | Secondary battery | 1883 |
| 18 | 285857 | Electric motor | 1883 |
| 19 | 285858 | Electric railway | 1883 |
| 20 | 285859 | Automatic electric-circuit changer | 1883 |
| 21 | 286093 | Electric lamp | 1883 |
| 22 | 286094 | Electric-arc lamp | 1883 |
| 23 | 287343 | Regulator for dynamo-electric machines | 1883 |
| 24 | 287344 | Electrode for electric-arc lamps | 1883 |
| 25 | 287345 | Safety-switch for dynamo-electric machines | 1883 |
| 26 | 287346 | Insulating material | 1883 |
| 27 | 287347 | System of generating and distributing electric currents | 1883 |
| 28 | 288682 | Safety cut-out for electric lamps | 1883 |
| 29 | 291553 | Electric-arc lamp | 1884 |
| 30 | 291554 | Regulator for dynamo-electric machines | 1884 |
| 31 | 291648 | Electric-circuit closer | 1884 |
| 32 | 291649 | Electric safety cut-out | 1884 |
| 33 | 291650 | Current-regulator for electric motors | 1884 |
| 34 | 291651 | Electric lamp | 1884 |
| 35 | 291652 | Safety cut-out for series of electric lamps | 1884 |
| 36 | 291653 | Electric-arc lamp | 1884 |
| 37 | 294165 | Motor for electric regulators | 1884 |
| 38 | 294532 | Electric-arc lamp | 1884 |
| 39 | 294533 | Electric lamp | 1884 |
| 40 | 297878 | Dynamo-electric machine | 1884 |
| 41 | 298431 | Inductorium | 1884 |
| 42 | 300535 | Dynamo-electric machine | 1884 |
| 43 | 304377 | Electric focusing-lamp | 1884 |
| 44 | 304378 | Dynamo-electric machine | 1884 |
| 45 | 307884 | Apparatus for operating tools by electricity | 1884 |
| 46 | 317249 | Electro-magnetic reciprocating engine | 1885 |
| 47 | 320515 | Electro-magnetic reciprocating engine | 1885 |
| 48 | 323470 | Cut-out for dynamo-electric machines | 1885 |
| 49 | 323981 | Regulator for incandescent electric lighting systems | 1885 |
| 50 | 323982 | Electric motor | 1885 |
| 51 | 323983 | Incandescent lamp | 1885 |
| 52 | 323984 | Suspended electrical conveyor | 1885 |
| 53 | 324193 | Process of making incandescents | 1885 |
| 54 | 324899 | Electric railway | 1885 |
| 55 | 325133 | Regulator for dynamo-electric machines | 1885 |
| 56 | 325225 | Electric-current meter | 1885 |
| 57 | 329104 | Electric cable conveyance | 1885 |
| 58 | 331585 | Contact device for suspended electric conductors | 1885 |
| 59 | 331851 | Cable conveyance | 1885 |
| 60 | 334062 | Overhead conductor for electric railways | 1886 |
| 61 | 335659 | Regulator for dynamo-electric machines | 1886 |
| 62 | 336452 | Electric-arc lamp | 1886 |
| 63 | 336453 | Overhead conductor for electric railways | 1886 |
| 64 | 337897 | Electro-magnetic reciprocating engine | 1886 |
| 65 | 337898 | Carriage for rock-drills | 1886 |
| 66 | 337899 | Carbon for incandescent lamps | 1886 |
| 67 | 338320 | Dynamo-electric generator | 1886 |
| 68 | 338321 | System of generating electrical currents | 1886 |
| 69 | 338375 | Electro-magnetic reciprocating engine | 1886 |
| 70 | 344425 | Suspended electrical conductor | 1886 |
| 71 | 346963 | Automatic suspended switching device for electric railways | 1886 |
| 72 | 347901 | Electric-railway traveler and switch-operator | 1886 |
| 73 | 347902 | Electro-dynamic motor | 1886 |
| 74 | 347903 | Regulator for electric motors | 1886 |
| 75 | 347904 | Dynamo-electric railway-brake | 1886 |
| 76 | 347905 | Underground conduit for electric railways | 1886 |
| 77 | 348360 | Electro-magnetic railway-brake | 1886 |
| 78 | 350221 | Power-connection for railway-trains | 1886 |
| 79 | 352074 | Commutator-brush | 1886 |
| 80 | 352167 | System of motors for electric railway-brakes | 1886 |
| 81 | 353333 | Incandescent electric lamp | 1886 |
| 82 | 353334 | Automatic circuit-controller for electroplating-machines | 1886 |
| 83 | 353335 | Electric locomotive | 1886 |
| 84 | 353653 | Composition of matter for insulating electric conductors | 1886 |
| 85 | 337896 | Dynamo-electric machine | 1886 |
| 86 | 358512 | Suspended conductor for electric railways | 1887 |
| 87 | 362798 | Electro-dynamic motor | 1887 |
| 88 | 367475 | Roof for suspended electric conductors | 1887 |
| 89 | 367685 | Electro-magnetic railway-brake | 1887 |
| 90 | 390921 | Carbon contact or commutator-brush | 1888 |
| 91 | 393275 | Closed conduit for electric-railway conductors | 1888 |
| 92 | 393276 | Underground conduit for electric conductors | 1888 |
| 93 | 393277 | Turn-out and crossing for underground conduits | 1888 |
| 94 | 394035 | Electric motor | 1888 |
| 95 | 394036 | Duplex electromotor | 1888 |
| 96 | 394417 | Safety device for electric motors | 1888 |
| 97 | 394525 | Safety device and signal for electric motors or generators | 1888 |
| 98 | 393278 | Switch for overhead conductors | 1888 |
| 99 | 393317 | Arched suspender for overhead electric conductors | 1888 |
| 100 | 394037 | Constant upward-pressure contact for overhead conductors | 1888 |
| 101 | 394038 | Duplex upward-pressure contact | 1888 |
| 102 | 394039 | System of suspending electric conductors | 1888 |
| 103 | 396310 | Traveler for electric railways | 1889 |
| 104 | 396311 | Hooked suspender for electric-railway conductors | 1889 |
| 105 | 396312 | Suspension device for electric-railway conductors | 1889 |
| 106 | 396313 | Adjustable crossing and switch for overhead conductors | 1889 |
| 107 | 396314 | Commutator-brush carrier for electric motors | 1889 |
| 108 | 397451 | Overhead contact and switch | 1889 |
| 109 | 398294 | Cable-railway system | 1889 |
| 110 | 399950 | Friction-gear for electric motors | 1889 |
| 111 | 400274 | Friction-gear for electric motors | 1889 |
| 112 | 400375 | Pneumatic flexible-slot conduit for electric-railway conductors | 1889 |
| 113 | 400809 | Alternating-current electric reciprocating engine | 1889 |
| 114 | 401231 | Reciprocating electric-engine system | 1889 |
| 115 | 402117 | Universal upward-pressure contact-arm | 1889 |
| 116 | 403801 | Electric railway | 1889 |
| 117 | 404324 | Electro-dynamic motor | 1889 |
| 118 | 404325 | Closed slotted conduit | 1889 |
| 119 | 405627 | Switch for suspended electric conductors | 1889 |
| 120 | 405628 | Closed slotted conduit for electric railways | 1889 |
| 121 | 405750 | Standing contact-arm | 1889 |
| 122 | 406797 | Closed slotted conduit for electric railways | 1889 |
| 123 | 406798 | Mechanism for controlling electric-railway motors | 1889 |
| 124 | 407749 | Extensible upward-pressure contact-arm | 1889 |
| 125 | 408638 | Contact-arm for electric-railway motor-cars | 1889 |
| 126 | 408639 | Underground conduit for electric railways | 1889 |
| 127 | 408640 | Multiple-motor electric locomotive | 1889 |
| 128 | 408641 | Alternating-current motor | 1889 |
| 129 | 408642 | Inductional electric motor | 1889 |
| 130 | 409156 | Double suspended conductor system for electric railways | 1889 |
| 131 | 413986 | Alternate-current induction-motor | 1889 |
| 132 | 414609 | Spring-switch for overhead electric conductors | 1889 |
| 133 | 417121 | System of switching for conduit electric railways | 1889 |
| 134 | 417122 | System of supplying currents to electric railway systems | 1889 |
| 135 | 417654 | System of electrical distribution of currents | 1889 |
| 136 | 401230 | Regulator for dynamo-electric machines | 1889 |
| 137 | 403009 | Slotted conduit for electric conductors | 1889 |
| 138 | 403010 | Electric connection for railway-rails | 1889 |
| 139 | 403011 | Electric locomotive | 1889 |
| 140 | 403800 | Slotted conduit for electric conductors | 1889 |
| 141 | 405626 | Slotted conduit for electrical conductors | 1889 |
| 142 | 417120 | Drop-switch for electric conductors | 1889 |
| 143 | 422265 | Carbon commutator brush and holder | 1890 |
| 144 | 422266 | Electric-railway motor car | 1890 |
| 145 | 422855 | Pulsating electric generator | 1890 |
| 146 | 422856 | Pulsatory-current motor | 1890 |
| 147 | 422857 | Alternate-current pulsating system | 1890 |
| 148 | 422858 | Converting continuous into pulsating electric currents | 1890 |
| 149 | 422859 | Pulsating-current system | 1890 |
| 150 | 422860 | Multiple-current pulsating generator | 1890 |
| 151 | 424381 | Trolley-arm for electric-railway cars | 1890 |
| 152 | 424695 | Suspended switch and traveling contact for electric railways | 1890 |
| 153 | 424910 | Contact device and switch for electric railways | 1890 |
| 154 | 424911 | Electric-railway motor | 1890 |
| 155 | 429745 | Electric connection | 1890 |
| 156 | 429746 | Electric-railway-motor truck | 1890 |
| 157 | 429981 | Electric-railway-conductor system | 1890 |
| 158 | 431492 | Reciprocating electric engine | 1890 |
| 159 | 431493 | Reciprocating electric engine | 1890 |
| 160 | 431494 | Reciprocating electric-engine system | 1890 |
| 161 | 431495 | Reciprocating electric engine | 1890 |
| 162 | 431496 | Reciprocating electric-engine system | 1890 |
| 163 | 432345 | Multiplex electric locomotive | 1890 |
| 164 | 433834 | Induction-motor | 1890 |
| 165 | 434410 | Closed conduit for electric conductors | 1890 |
| 166 | 434684 | Electric-railway system | 1890 |
| 167 | 434685 | Alternate-current electric-railway-train system | 1890 |
| 168 | 434686 | Electric-railway-train system | 1890 |
| 169 | 434687 | Electric-railway system | 1890 |
| 170 | 434816 | Multiple-circuit electric motor | 1890 |
| 171 | 435261 | Generator for electric-engine circuits | 1890 |
| 172 | 435262 | Structure for supporting and insulating suspended bare conductors | 1890 |
| 173 | 435263 | Electric-railway conduit with tubular conductor | 1890 |
| 174 | 435264 | Reciprocating electric hammer | 1890 |
| 175 | 436275 | Pulsating-current-battery system | 1890 |
| 176 | 436276 | Adjustable-current reciprocating-engine system | 1890 |
| 177 | 436277 | Electric power-hammer | 1890 |
| 178 | 437533 | Support and insulator for suspended conductors | 1890 |
| 179 | 437534 | Upward-pressure contact device for electric railways | 1890 |
| 180 | 437535 | Motor-truck for electric-railway cars | 1890 |
| 181 | 438452 | Electric railway-brake | 1890 |
| 182 | 440977 | Generator for pulsating currents | 1890 |
| 183 | 443980 | Electric motor | 1890 |
| 184 | 424380 | Combined conduit and overhead system for electric railways | 1890 |
| 185 | 429747 | Telpher system | 1890 |
| 186 | 440976 | System of electrical transmission of power | 1890 |
| 187 | 443019 | Magnetic shield for electric motors | 1890 |
| 188 | 444188 | Electric-motor | 1891 |
| 189 | 445102 | Electric-motor reciprocating engine | 1891 |
| 190 | 447214 | Multiple rock-drill | 1891 |
| 191 | 447215 | Electric-railway system | 1891 |
| 192 | 448561 | Electric-railway motor | 1891 |
| 193 | 448562 | Electric locomotive | 1891 |
| 194 | 448563 | Electric-railway system | 1891 |
| 195 | 450541 | System of electrical distribution | 1891 |
| 196 | 450542 | Reciprocating electric-railway motor system | 1891 |
| 197 | 450543 | Electro-magnetic reciprocating engine | 1891 |
| 198 | 450544 | Pulsating-current electric motor | 1891 |
| 199 | 451786 | Operating reciprocating electric engines | 1891 |
| 200 | 452296 | Electric reciprocating engine | 1891 |
| 201 | 455520 | Pulsating-current reciprocating electric-engine system | 1891 |
| 202 | 458867 | System of electric-railway conductors | 1891 |
| 203 | 458868 | Electric coal-mining machine | 1891 |
| 204 | 458869 | Circuit-controller for electro-magnetic engines | 1891 |
| 205 | 458870 | System of supplying current to reciprocating electric engines | 1891 |
| 206 | 458871 | Telpher system | 1891 |
| 207 | 458872 | Electro-magnetic reciprocating engine | 1891 |
| 208 | 458873 | Combined electric engine and pump | 1891 |
| 209 | 458874 | Reciprocating electric engine | 1891 |
| 210 | 458954 | System of reciprocating electric engines | 1891 |
| 211 | 461293 | Motor-truck | 1891 |
| 212 | 461294 | Automatic electric pump | 1891 |
| 213 | 461295 | Electrically-actuated pump | 1891 |
| 214 | 461297 | Actuating device for moving commutator-brushes | 1891 |
| 215 | 462751 | Electric-railway motor | 1891 |
| 216 | 458866 | Closed conduit for electric railways | 1891 |
| 217 | 461296 | Armature for electric motors | 1891 |
| 218 | 467448 | Electric railway | 1892 |
| 219 | 470521 | Electric generator | 1892 |
| 220 | 467449 | Controlling apparatus for electric motors | 1892 |
| 221 | 467450 | Electro-magnetic reciprocating pumping-engine | 1892 |
| 222 | 467451 | Reciprocating electric engine | 1892 |
| 223 | 479960 | Controlling mechanism for reciprocating electric engines | 1892 |
| 224 | 479961 | Feed mechanism for electric reciprocating engines | 1892 |
| 225 | 479962 | Reciprocating electric engine | 1892 |
| 226 | 479963 | System of supplying currents to reciprocating electric engines | 1892 |
| 227 | 479964 | System of distributing electric currents | 1892 |
| 228 | 479965 | Reciprocating electric pile-driver | 1892 |
| 229 | 479966 | Electrical transmission of power | 1892 |
| 230 | 488928 | System of electrical distribution | 1892 |
| 231 | 488929 | Electric-railway trolley | 1892 |
| 232 | 488930 | Electric locomotive | 1892 |
| 233 | 495383 | Overhead contact device and switch | 1893 |
| 234 | 495443 | Traveling contact for electric railways | 1893 |
| 235 | 496329 | Telpher system | 1893 |
| 236 | 496330 | Electric locomotive | 1893 |
| 237 | 496331 | Electro-magnetic reciprocating pump | 1893 |
| 238 | 502243 | Electric-railway trolley | 1893 |
| 239 | 507945 | System of electrical transmission of power | 1893 |
| 240 | 507946 | Portable electric pump | 1893 |
| 241 | 515308 | Electric-railway trolley | 1894 |
| 242 | 523822 | Electromagnetic reciprocating pump | 1894 |
| 243 | 529671 | Gearless electric locomotive | 1894 |