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All Patents of Type: steam safety valves
Patents 1 - 15 of 82
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
4,267XNov. 16, 1825W.S. GillelttAlarm or reversed safety valvesteam safety valves
6,021XJun. 08, 1830T. EwbankPreventing explosion of steam boilers by detectorsteam safety valves
FX-6,157Oct. 01, 1830A.B. QuimbyPreventing explosion of steamboat boilerssteam safety valves
6,736XAug. 27, 1831T. EwbankHydrostatic safety-valve for steam boilerssteam safety valves
6,915XJan. 30, 1832J.C. DouglasPiston safety valvesteam safety valves
GB-184,812,026Jan. 13, 1848R. WilsonRotary steam engines; safety-valves for steam-boilerssteam safety valves
8,923May 04, 1852J. McClinticDifferential safety-valvesteam safety valves
23,807Apr. 26, 1859H.H. EvartsSteam-valvesteam safety valves
59,764Nov. 20, 1866C.M. FarrarImprovement in Lock-Up Safety Valvesteam safety valves
79,021Jun. 16, 1868J. SoutherSteam Safety Valvesteam safety valves
81,878Sep. 08, 1868G.H. Clemens, E. ClemensImprovement in steam safety-valvessteam safety valves
85,792Jan. 12, 1869G.H. ClemensImprovement in steam safety-valvessteam safety valves
86,346Feb. 02, 1869J. AshcroftSafety Valvesteam safety valves
90,278May 18, 1869J. LinnardSafety Valvesteam safety valves
113,517Apr. 11, 1871B. HollySafety Valvesteam safety valves
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