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All Patents in class 92
Patents 1 - 15 of 221
First set of recordsNext set of recordsLast set of records
6,668Aug. 28, 1849J. Garside, H.J. BetjemannMachinery for cutting screws in bedsteadsspecialty machines
10,647Mar. 14, 1854A. TaylorSteam Engine Faucet-Valvesteam engine valves
23,612Apr. 12, 1859M. RunkelOscillating Steam Enginesteam engines
25,955Nov. 01, 1859J. CummingsStuffing Boxsteam engine stuffing boxes
26,871Jan. 17, 1860E.G. AllenSteam-gagesteam pressure gauges
30,138Sep. 25, 1860G. FrostCut-off valve for steam-enginessteam check valves
31,303Feb. 05, 1861T.S. DavisSteam Engine Valvesteam engine pistons
38,187Apr. 14, 1863J. TangyeImprovement in hydraulic lifting-jackshydraulic jacks
42,336Apr. 19, 1864E.D. AshePropeller Enginerotary steam engines
43,362Jun. 28, 1864W. WrightOscillating Steam Engineoscillating steam engines
66,972Jul. 23, 1867J.L. LayCompound Steam Enginesteam engines
67,659Aug. 13, 1867N.A. Otto, E. LangenGas Enginegas and gasoline engines
76,268Mar. 31, 1868W. SwaynePistonhot air engines
78,911Jun. 16, 1868J.U. AdamsPiston Packingsteam engine packing
82,437Sep. 22, 1868F.S. PeaseCompound Steam Enginesteam engines
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