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Patents for U. S. Electrical Motors, Inc.
Patents 1 - 15 of 16
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
2,023,421Dec. 10, 1935D. HeyerFlexible power transmission deviceindustrial machine pulleys and belt drive mechanisms
2,256,114Sep. 16, 1941D. HeyerVariable speed drive with multiple beltsindustrial machine pulleys and belt drive mechanisms
2,384,169Sep. 04, 1945G.E. Huck, F.O. LuenbergerControlling pressure in a fluid-filled motorelectric motors
2,568,861Sep. 25, 1951F.O. LuenbergerMeans for preventing air leakage through lubricated bearingsmotor bearings
2,607,969Aug. 26, 1952W.M. Evans, R.S. ThackerSpacer for casting squirrel cage rotorselectric motor making
2,708,985May 24, 1955W.M. Evans, R.A. MorrisonLubrication systemelectric motors
2,721,774Oct. 25, 1955F.O. LuenbergerThrust bearing for vertical motormotor bearings
2,793,714May 28, 1957F.O. LuenbergerLubrication system for enclosed transmissionindustrial machine lubrication
2,813,763Nov. 19, 1957A.C. EisenhartLubricant cooling systemmotor cooling
2,825,827Mar. 04, 1958F.O. LuenbergerVentilated electric motorsmotor cooling
2,919,359Dec. 29, 1959F.O. LuenbergerDynamoelectric machine provided with sealing means, and process for making sameelectric motor making
2,921,553Jan. 19, 1960F.O. LuenbergerAdjustable date indicator
2,961,208Nov. 22, 1960F.O. LuenbergerAdjustable mounting for electrical motorsmotor mounts
2,962,128Nov. 29, 1960F.O. LuenbergerMechanism for preventing reverse motion of electric motor shaftselectric motors
2,991,380Jul. 04, 1961G.T. PflegerMagnetic core structure for dynamo-electric machinesinduction motors
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