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All Patents in class 310/236
Patents 1 - 15 of 18
First set of recordsNext set of recordsLast set of records
171,087Dec. 14, 1875J. BishopElectro Magnetic Engineselectric motors
261,712Jul. 25, 1882W. HochhausenCommutator for Dynamo-Electric Machineselectric motors
271,947Feb. 06, 1883E. ThomsonCommutator for Dynamo Machinesmotor commutators
394,819Dec. 18, 1888C.S. BradleyDynamo-electric machinerymotor armatures
454,336Jun. 16, 1891R. EickemeyerDynamo-electric machine
553,557Jan. 28, 1896R.M. GardnerArmature for Electric Machinesmotor armatures
686,856Nov. 19, 1901A. Soames, W. Langdon-DaviesDynamo Electric Machineelectric motors
718,518Jan. 13, 1903E.S. PillsburyElectric motorelectric motors
745,336Dec. 01, 1903W.L. EmmetCommutator-barelectric motors
771,858Oct. 11, 1904J.H. BrownCommutatorelectric motors
922,521May 25, 1909C.A. SchnurShort-circuiting device for electric motorselectric motors
935,352Sep. 28, 1909T.R. Bell, A.C. BellAlternating-current motorrepulsion start induction run motors
1,007,893Nov. 07, 1911C.S. RenoCommutator-short-circuiting devicerepulsion start induction run motors
1,007,902Nov. 07, 1911L.H. ThullenCommutator-short-circuiting devicerepulsion start induction run motors
1,117,731Nov. 17, 1914H.B. WeirDynamo-electric machineelectric motors
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