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All Patents of Type: steam pressure gauges
Patents 1 - 15 of 17
First set of recordsNext set of recordsLast set of records
9,299XDec. 28, 1835S. Raub, Jr.Steam gauge for preventing the explosion of boilerssteam pressure gauges
9,163Aug. 03, 1852E. BourdonPressure-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
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
101,832Apr. 12, 1870H. ChwatalImprovement in pressure-gaugessteam pressure gauges
RE5,320Mar. 11, 1873T.W. LaneImprovement in steam-gagessteam pressure gauges
145,726Dec. 23, 1873G.H. CrosbyImprovement in pressure-gagessteam pressure gauges
278,223May 22, 1883W.A. ClarkeWater-gagegauges
292,169Jan. 22, 1884W.H. MacGregorPressure Gagesteam pressure gauges
295,093Mar. 11, 1884C.E. AshcroftPressure-gage-testing apparatussteam pressure gauges
476,512Jun. 07, 1892C.B. BosworthDevice for testing pressure-gaugessteam pressure gauges
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