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All Patents in class 92
Patents 1 - 15 of 234
First set of recordsNext set of recordsLast set of records
7,816XNov. 19, 1833B. LaphamForcing pumppumps
8,553XDec. 23, 1834J.R. MorrisonBellows for smiths' and furnace firesblacksmith
4,202Sep. 19, 1845F.E. SickelsMode of connecting steam-cylinders with steam-chestssteam engine valve gear
6,668Aug. 28, 1849J. Garside, H.J. BetjemannMachinery for cutting screws in bedsteadsspecialty machines
10,647Mar. 14, 1854A. TaylorSteam Engine Faucet-Valvesteam engine valves
RE565Jun. 01, 1858F.E. SickelsImprovement in the mode of connecting steam-cylinders with steam-chestssteam engine valve gear
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
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