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All Patents of Type: steam pressure gauges
Patents 1 - 15 of 36
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NumberDatePatenteeTitleType
9,299XDec. 28, 1835S. Raub, Jr.Steam gauge for preventing the explosion of boilerssteam pressure gauges
9,163Aug. 03, 1852E. BourdonPressure-gagesteam pressure gauges
16,428Jan. 20, 1857E.G. AllenSteam-pressure gagesteam pressure gauges
18,526Oct. 27, 1857E.G. AllenSteam-pressure gagesteam pressure gauges
20,851Jul. 06, 1858J. LoweSteam Pressure Gagesteam pressure gauges
23,032Feb. 22, 1859T.W. LaneSteam-pressure gagesteam pressure gauges
25,615Oct. 04, 1859A.J. AllenSteam Gagesteam pressure gauges
26,152Nov. 22, 1859E.G. AllenCombination steam-gagesteam pressure gauges
26,871Jan. 17, 1860E.G. AllenSteam-gagesteam pressure gauges
26,900Jan. 24, 1860H.W. FarleyPressure-gagesteam pressure gauges
GB-186,000,306Feb. 04, 1860E.G. Allen, A.V. NewtonAn improved construction of combination steam gaugesteam pressure gauges
29,646Aug. 14, 1860A.J. AllenSteam Pressure Gagesteam pressure gauges
30,803Dec. 04, 1860C.M. DabollPressure-gagesteam pressure gauges
FR-56,843Dec. 03, 1862H. GiffardFlexible metal tube for pressure gauges, barometers, etc.steam pressure gauges
RE2,313Jul. 17, 1866A.J. AllenSteam Gaugesteam pressure gauges
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