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All Patents in class 74/44
Patents 31 - 45 of 61
First set of recordsPrevious set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
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
736,235Aug. 11, 1903W.W. DingeePump for Portable Engines and the Likesteam pumps
739,378Sep. 22, 1903O.S. BeyerDrawing-pressstamping presses
805,000Nov. 21, 1905W.E. BlairDriving Mechanism for two Pump-Plungersfuel pumps
811,520Jan. 30, 1906E. ReynoldsSteam-enginesteam engines
865,787Sep. 10, 1907P.S. MacgowanPower-hammerpower hammers
870,001Nov. 05, 1907C.H. WayEngine
925,147Jun. 15, 1909F.D. WinkleyPumppiston pumps
938,709Nov. 02, 1909G.H. RoweElectromechanical deviceimpact riveters
980,727Jan. 03, 1911F.D. WinkleyCombined pump-jack and engine basepiston pumps
1,108,187Aug. 25, 1914W. KlockePressmetalworking presses
1,362,628Dec. 21, 1920E.L. KaunitzPower hacksawhandheld power reciprocating saws
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