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All Patents of Type: AC motors
Patents 1 - 15 of 635
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NumberDatePatenteeTitleType
8,736XMar. 31, 1835D. HarringtonGalvanic electricity applied to cure diseaseselectric batteries
132Feb. 25, 1837T. DavenportImprovement in propelling machinery by magnetism and electro-magnetismDC motors
26,558Dec. 27, 1859G.W. BeardsleeImproved magneto-electric machineelectric motors
96,332Nov. 02, 1869G. LittleImprovement in Electro-Magnetic Motorselectric motors
CA-686Nov. 05, 1870H. WoodImprovement in electro magnetic machines and magnetselectric motors
CA-919Apr. 11, 1871A. Ross, M.H. UtleyImprovements on electro-magnetic motorselectric motors
138,855May 13, 1873S.C. CarterElectro-Magnetic Motorselectric motors
159,028Jan. 26, 1875G.F. GreenImprovement in electro-magnetic dental toolselectrical devices
171,087Dec. 14, 1875J. BishopElectro Magnetic Engineselectric motors
244,331Jul. 12, 1881W. Stanley, Jr.Circuit-closer for incandescent lampselectric switches
261,712Jul. 25, 1882W. HochhausenCommutator for Dynamo-Electric Machineselectric motors
261,815Jul. 25, 1882C.D. Jenney, J.A. JenneyElectric-arc lampelectric arc lamps
269,132Dec. 12, 1882W. Stanley, Jr.Carbon filament produced from hairelectric arc lamps
269,133Dec. 12, 1882W. Stanley, Jr.Exhausting globes of electric lampselectric arc lamps
269,605Dec. 26, 1882E. ThomsonDynamo Electric Machineelectric motors
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