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Patents for Walter Langdon-Davies
Patents 1 - 15 of 24
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NumberDatePatenteeTitleType
GB-189,419,364Oct. 11, 1895C. Conners, W. Langdon-DaviesImprovements in Electro-motors and like Electro-magnetic Apparatuselectric motors
CA-54,528Jan. 07, 1897W. Langdon-DaviesElectro-Motor and TransformerAC motors
GB-189,707,772Feb. 26, 1898W. Langdon-DaviesImprovements in Alternating Current MotorsAC motors
GB-189,716,788Jul. 02, 1898W. Langdon-DaviesImprovements in Alternating Current MotorsAC motors
GB-189,824,418Oct. 07, 1899W. Langdon-DaviesImprovements in Alternating Current MotorsAC motors
643,066Feb. 06, 1900W. Langdon-DaviesAlternating Current MotorAC motors
GB-190,007,373Mar. 30, 1901W. Langdon-Davies, A. SoamesImprovements in the Formation of Drum Winding for Dynamo Electric Machinesmotor windings
GB-190,021,740Sep. 28, 1901W. Langdon-Davies, A. SoamesImprovements in Dynamo Electric Machineselectric motors
686,856Nov. 19, 1901W. Langdon-Davies, A. SoamesDynamo Electric Machineelectric motors
GB-190,124,937Nov. 06, 1902W. Langdon-Davies, A. SoamesImprovements in Polyphase Alternating Current Induction MotorsAC motors
GB-190,125,312Dec. 04, 1902A. Soames, W. Langdon-DaviesImprovements in Internal Combustion Enginesinternal combustion engines
718,481Jan. 13, 1903A. Soames, W. Langdon-DaviesInternal Combustion Engineinternal combustion engine valves
FR-322,379Feb. 04, 1903W. Langdon-Davies, A. SoamesChange of Speedindustrial machine speed and direction changing mechanisms
735,118Aug. 04, 1903W. Langdon-Davies, A. SoamesPolyphase Alternating Current Induction Motorinduction motors
CH-26,628Sep. 30, 1903W. Langdon-Davies, A. SoamesAC Induction Motorinduction motors
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