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All Patents in class 74/44
Patents 16 - 30 of 36
First set of recordsPrevious set of recordsNext set of recordsLast set of records
461,917Oct. 27, 1891A. BeaudryPower-hammerdrop hammers
552,332Dec. 31, 1895B.M. Turner, B.L. RinehartGas Enginegas and gasoline engines
569,386Oct. 13, 1896F.C. OlinGas Engineinternal combustion engines
626,666Jun. 13, 1899J.M. ChappelTraction Enginepropulsion components
650,103May 22, 1900G.L. WalterPower Hammerdrop hammers
665,249Jan. 01, 1901L. MayerTrip-hammer ram connectiondrop hammers
688,134Dec. 03, 1901H.T. SperryEyelet or similar machine
693,324Feb. 11, 1902A.W. JohnsonPower Hammerpower hammers
805,000Nov. 21, 1905W.E. BlairDriving Mechanism for two Pump-Plungersfuel pumps
811,520Jan. 30, 1906E. ReynoldsSteam-enginesteam engines
870,001Nov. 05, 1907C.H. WayEngine
980,727Jan. 03, 1911F.D. WinkleyCombined pump-jack and engine base
1,362,628Dec. 21, 1920E.L. KaunitzPower hacksawhandheld cutoff saws
1,557,527Oct. 13, 1925R.T. HazeltonStroke Indicatormetal shapers
1,669,319May 08, 1928R.M. BennethumWindmill
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