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All Patents of Type: synchronous motors
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
286,273Oct. 09, 1883P.B. DelanyElectrical Synchronous Movementsynchronous motors
286,274Oct. 09, 1883P.B. DelanyElectrical Synchronous Movementsynchronous motors
286,275Oct. 09, 1883P.B. DelanyElectrical Synchronous Movementsynchronous motors
286,276Oct. 09, 1883P.B. DelanyElectrical Synchronous Movementsynchronous motors
286,277Oct. 09, 1883P.B. DelanyElectrical Synchronous Movementsynchronous motors
286,281Oct. 09, 1883P.B. DelanyElectrical Synchronous Movementsynchronous motors
909,216Jan. 12, 1909W.D. PomeroyMeans for Starting Dynamo Machinessynchronous motors
1,073,662Sep. 23, 1913J. BurkeMeans for controlling synchronous machinessynchronous motors
1,227,400May 22, 1917M. von Dolivo-DobrowolskyElectric motorsynchronous motors
1,945,028Jan. 30, 1934H.D. Almaine, C.F. ThompsonReaction type synchronous motorsynchronous motors
2,073,760Mar. 16, 1937T. SchouSynchronous Machinesynchronous motors
2,767,339Oct. 16, 1956D.O. HatfieldDynamoelectric rotorsynchronous motors
3,539,890Nov. 10, 1970R. ZechlinSynchronous Motor Static Starting Controlmotor controls
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