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All Patents in class 92
Patents 16 - 30 of 259
First set of recordsPrevious set of recordsNext set of recordsLast set of records
38,187Apr. 14, 1863J. TangyeImprovement in hydraulic lifting-jackshydraulic jacks
42,336Apr. 19, 1864E.D. AshePropeller Enginerotary steam engines
43,362Jun. 28, 1864W. WrightOscillating Steam Engineoscillating steam engines
66,972Jul. 23, 1867J.L. LayCompound Steam Enginesteam engines
67,659Aug. 13, 1867N.A. Otto, E. LangenGas Enginegas and gasoline engines
76,268Mar. 31, 1868W. SwaynePistonhot air engines
78,911Jun. 16, 1868J.U. AdamsPiston Packingsteam engine packing
82,437Sep. 22, 1868F.S. PeaseCompound Steam Enginesteam engines
97,231Nov. 23, 1869J.B. RootSteam Enginesteam engines
102,704May 03, 1870G.H. PeekSmith's Bellowsblacksmith
103,212May 17, 1870H.E. LongRotary Steam Enginesteam engines
109,372Nov. 22, 1870B. Fitts, P. BallImprovement in liquid-meters
113,144Mar. 28, 1871N.T. CoffinImprovement in pumps
114,427May 02, 1871P. EstesImprovement in Piston-Packingspiston ring and packing
118,463Aug. 29, 1871C. LeveyImprovement in steam-enginessteam engines
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