Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 72/441
Patents 1 - 15 of 49
First set of recordsNext set of recordsLast set of records
24,428Jun. 14, 1859B. HotchkissTrip Hammertrip and helve hammers
30,343Oct. 09, 1860E. PayePower Hammertrip and helve hammers
39,924Sep. 15, 1863B. HotchkissImproved Atmosheric Trip-Hammersteam hammers
62,407Feb. 26, 1867A.J. GraingerImproved Forging Apparatuspower hammers
88,980Apr. 13, 1869T.T. ProsserImproved power-hammerdrop hammers
136,253Feb. 25, 1873J.M. LongPower Hammersdrop hammers
144,969Nov. 25, 1873W. EvansMachines for Forging Hammerstool making machines
170,868Dec. 07, 1875C. LustedDrop-Hammerdrop hammers
206,665Aug. 06, 1878C.W. CorrPower Hammerdrop hammers
244,370Jul. 19, 1881A. BeaudryPower-hammerdrop hammers
281,001Jul. 10, 1883A. BeaudryPower-hammerdrop hammers
335,394Feb. 02, 1886H. St. LawrencePower Hammerpower hammers
379,818Mar. 20, 1888C.J. RundquistFoot-power hammerfoot operated hammers
385,018Jun. 26, 1888H. Stewart, W.B. WiswallSpring-hammer for blacksmithsfoot operated hammers
477,559Jun. 21, 1892W.H. LawPower Hammerpower hammers
Toggle print mode
Show pictures

Copyright © 2002-2020 - DATAMP