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All Patents in class 91/180
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
409,457Aug. 20, 1889F.A. Shoemaker, J.W. DennisSteam-enginesteam engines
424,183Mar. 25, 1890F.A. Shoemaker, J.W. DennisReversing-valve for steam-enginessteam engine valves
430,311Jun. 17, 1890J.W. EisenhuthCut-Off for Compound Enginessteam engines
630,767Aug. 08, 1899C.H. BeadleRotary Distributing Valvesteam engine valves
714,977Dec. 02, 1902C. VogelSteam Enginesteam engine valves
757,970Apr. 19, 1904W.T. SearsPneumatic toolpneumatic
866,922Sep. 24, 1907W.O. DuntleyEnginepneumatic tools
1,255,315Feb. 05, 1918F.A. JimersonRatchet operating mechanism for drillspneumatic motors
1,544,644Jul. 07, 1925F.A. JimersonFluid-actuated rotary toolpneumatic tools
1,566,095Dec. 15, 1925F.A. JimersonFluid-actuated rotary machinepneumatic tools
1,566,096Dec. 15, 1925F.A. JimersonReversible throttle handlepneumatic tools
1,781,416Nov. 11, 1930G.D. SundstrandPump
2,010,377Aug. 06, 1935B. SassenHydraulic Power Unithydraulic apparatus
3,596,569Aug. 03, 1971J.D. WisbeyValve for a Closed-Loop Hydraulic Torque Amplifierhydraulic apparatus
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