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All Patents of Type: steam hammers
Patents 1 - 11 of 11
First set of recordsLast set of records
GB-184,711,767Dec. 24, 1847R. WilsonSteam Hammersteam hammers
5,774Sep. 09, 1848L. KirkSteam Hammersteam hammers
10,486Jan. 31, 1854P.L. WeimerSteam Hammersteam hammers
16,515Jan. 27, 1857S.P. Francisco, P.L. WeimerSteam Hammersteam hammers
39,924Sep. 15, 1863B. HotchkissImproved Atmosheric Trip-Hammersteam hammers
51,267Nov. 28, 1865E.A. RaymondImprovement in Forging Apparatussteam hammers
54,560May 08, 1866E.L. KinsleySteam Hammersteam hammers
80,550Aug. 04, 1868D. JoySteam Hammersteam hammers
110,655Jan. 03, 1871F.M. HodgeSteam Hammersteam hammers
227,460May 11, 1880J. WattSteam-Hammerssteam hammers
541,785Jun. 25, 1895J.F. DoolittleSteam Hammersteam hammers
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