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All Patents of Type: power hammers
Patents 1 - 15 of 145
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NumberDatePatenteeTitleType
5,765Sep. 12, 1848F.E. SickelsMethod of Controlling Motive Powerpower hammers
35,309May 20, 1862W.D. GrimshawPower Hammerpower hammers
GB-186,400,206Jan. 25, 1864W.D. GrimshawAtmospheric Hammerpower hammers
45,896Jan. 10, 1865W.D. GrimshawAtmospheric Hammerpower hammers
49,593Aug. 22, 1865H. ShattuckImproved Atmospheric Hammerpower hammers
52,894Feb. 27, 1866T. ShawPower Hammerpower hammers
GB-186,600,872Mar. 24, 1866A.V. NewtonAn improved construction of power hammerpower hammers
54,413May 01, 1866J. RobertsonImproved Atmospheric Hammerspower hammers
RE2,398Nov. 27, 1866T. ShawPower Hammerpower hammers
62,407Feb. 26, 1867A.J. GraingerImproved Forging Apparatuspower hammers
64,567May 07, 1867T.F. PrestonPower Hammerpower hammers
66,222Jul. 02, 1867A. Sharp, A. CunninghamPower Hammerpower hammers
68,740Sep. 10, 1867T.B. HarrisonPower Hammerpower hammers
71,823Dec. 03, 1867B. WalkerForge Hammerpower hammers
99,958Feb. 15, 1870T. ShawImproved Apparatus for Forging Metalspower hammers
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