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All Patents in class 74/44
Patents 1 - 15 of 32
First set of recordsNext set of recordsLast set of records
6,073Jan. 23, 1849S. Jack, IICombined Spring Rock-Drilling Machinestone boring and drilling machines
68,740Sep. 10, 1867T.B. HarrisonPower Hammerdrop hammers
78,443Jun. 02, 1868A.R. EhlersImprovement in sawmillsreciprocating sawmills
131,236Sep. 10, 1872E. WallaceImprovement in mortising-machines
139,233May 27, 1873I. BrownImprovement in reciprocating steam-engines and saw-mills combinedcircular sawmills
184,419Nov. 14, 1876G.A. OhlMetal-Shaping Machinemetal shapers
190,441May 08, 1877W.J. LiddellImprovement in steam-enginessteam engines
226,972Apr. 27, 1880E. BussGas-Enginegas and gasoline engines
252,111Jan. 10, 1882C.E. McBeth, J.M. LongPunching-machine
352,269Nov. 09, 1886B.F. ShinnFire-wood drag-sawdrag saws
358,431Mar. 01, 1887D.E. ConnerDevice for Transmitting Motion
437,941Oct. 07, 1890F.A. ShoemakerSteam-enginesteam engines
461,917Oct. 27, 1891A. BeaudryPower-hammerdrop hammers
513,326Jan. 23, 1894L.D. HowardPower-hammerblacksmith
552,332Dec. 31, 1895B.M. Turner, B.L. RinehartGas Enginegas and gasoline engines
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