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All Patents in class 91/264
Patents 1 - 15 of 16
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NumberDatePatenteeTitleType
162,714Apr. 27, 1875J.W. ThompsonBalanced and Cut-Off Valve
206,398Jul. 30, 1878C.M. MillerSlide Valve for Steam Enginessteam engine valves
RE8,434Sep. 24, 1878J.W. ThompsonImprovement in Balanced and Cut-Off Valves
270,744Jan. 16, 1883W.A. ClarkeCut-off valvesteam safety valves
303,477Aug. 12, 1884D.A. WoodburyBalanced Slide Valvesteam engine valves
RE10,661Nov. 10, 1885D.A. WoodburyBalanced Slide Valvesteam engine valves
334,690Jan. 19, 1886A. CraikBalanced Valvesteam engine valves
364,207Jun. 07, 1887C.W. BarnabySteam-engine valvesteam engine valves
384,637Jun. 19, 1888J.E. McIntoshValve for Steam Enginessteam engine valves
533,177Jan. 29, 1895A.K. MansfieldCut-off-valve mechanismsteam engine valves
1,938,762Dec. 12, 1933F.S. HaasGrinding Machinecylindrical grinders
2,000,553May 07, 1935C.R. AldenMachine toolhorizontal boring mills
2,202,256May 28, 1940O.M. Jensen, F.T. Wruk, T.W. WhitleyHydraulic feed for power driven hack sawspower hacksaws
2,235,085Mar. 18, 1941H. Fritschi, E.G. RoehmMilling Machine Transmission and Control Mechanismmilling machines
2,360,671Oct. 17, 1944A.C. Janke, C.O. Graves, F.S. HaasSurface Grindergrinding machines
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