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All Patents in class 92
Patents 1 - 15 of 251
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NumberDatePatenteeTitleType
7,816XNov. 19, 1833B. LaphamForcing pumppumps
8,553XDec. 23, 1834J.R. MorrisonBellows for smiths' and furnace firesblacksmith
2,895Dec. 31, 1842B. Douglas, W. DouglasPumphousehold hand pumps
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
19,834Apr. 06, 1858W. Douglas, B. DouglasPortable pumphousehold hand pumps
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
29,646Aug. 14, 1860A.J. AllenSteam Pressure 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
33,299Sep. 17, 1861B. DouglasPump standhousehold hand pumps
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