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All Patents in class 73
Patents 1 - 15 of 314
First set of recordsNext set of recordsLast set of records
287Jul. 19, 1837F.B. Ogden, J. EricssonSounding instrument for ascertaining the depth of water in seas, rivers, &c.
810Jun. 27, 1838A. AmsdenHydrostatic Scale
7,912Jan. 21, 1851A.A. WilderLeeway-indicator
9,163Aug. 03, 1852E. BourdonPressure-gagesteam pressure gauges
9,236Aug. 31, 1852W. Hodgson, G.S. StearnsGovernor for steam-enginessteam engine governors
11,223Jul. 04, 1854W.C. HibbardRegulating the motion of steam-enginessteam engines
14,967May 27, 1856W.W. MeadGovernorsteam engine governors
18,526Oct. 27, 1857E.G. AllenSteam-pressure gagesteam pressure gauges
18,560Nov. 03, 1857T.R. TimbyBarometer
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
33,126Aug. 20, 1861M. StannardImprovement in rotary pumps
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