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All Patents in class 91
Patents 1 - 15 of 442
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6,939XFeb. 20, 1832S. CostillSteam and power enginesteam engines
8,242XJun. 14, 1834S. BarberExpansive steam enginesteam engines
8,979XJul. 21, 1835A.M. EastwickSlide valves for steam enginessteam engine valves
9,406XFeb. 17, 1836W. Duff, T. MurphyValve, puppet, raising, etc.
9,672XMay 23, 1836A.S. DawleySteam enginesteam engines
2,227Aug. 21, 1841H. AllenCut-off valve for steam-enginessteam engine valve gear
3,426Feb. 07, 1844E.A. LesterOscillating Steam Engineoscillating steam engines
4,206Sep. 27, 1845S. CheneyMachinery for cutting lathslath making machines
5,765Sep. 12, 1848F.E. SickelsMethod of Controlling Motive Powerpower hammers
6,096Feb. 06, 1849I.L. BennettPiston-Valve Inclosed in the Steam-Cylinder
6,162Mar. 10, 1849G.H. CorlissCut-Off and Working the Valves of Steam Enginessteam engines
6,324Apr. 17, 1849G. McKayPiston-valve cut-offsteam check valves
7,838Dec. 17, 1850S.H. GilmanExpansion-Gear for Horizontal Enginessteam engine valve gear
RE200May 13, 1851G.H. CorlissImprovements in Cut-Off and Working the Valves of Steam Engines steam engines
9,078Jun. 29, 1852H.R. Remsen, P.M. HuttonLocomotive-Enginerailroad locomotives
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