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All Patents in class 318
Patents 1 - 15 of 359
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NumberDatePatenteeTitleType
96,332Nov. 02, 1869G. LittleImprovement in Electro-Magnetic Motorselectric motors
138,855May 13, 1873S.C. CarterElectro-Magnetic Motorselectric motors
171,087Dec. 14, 1875J. BishopElectro Magnetic Engineselectric motors
174,777Mar. 14, 1876A.G. BuzbyPencil Sharpenerpencil sharpeners
200,032Feb. 05, 1878T.A. EdisonSynchronous Movements for Electric Telegraphstelegraphic apparatus
228,888Jun. 15, 1880W.W. GriscomRegulating Electro-Magnetic Motorsmotor regulators
238,631Mar. 08, 1881C.E. BallDynamo or Magneto-Electric Machineelectric generators
248,435Oct. 18, 1881T.A. EdisonUtilizing Electricity as Motive PowerDC motors
251,541Dec. 27, 1881T.A. EdisonElectric Magnetic Motormotor controls
264,981Sep. 26, 1882E. WestonSystem for the Electrical Transmission of Powerelectric distribution systems
264,982Sep. 26, 1882E. WestonElectro Magnetic MotorDC motors
264,983Sep. 26, 1882E. WestonSystem for the Electrical Transmission of Powerelectric distribution systems
266,239Oct. 17, 1882E. WestonSystem for the Electrical Transmission of Powerelectric distribution systems
267,062Nov. 07, 1882E.R. CowellElectric Distance Registerdistance registers
269,605Dec. 26, 1882E. ThomsonDynamo Electric Machineelectric motors
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