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All Patents in class 72/437
Patents 1 - 15 of 40
First set of recordsNext set of recordsLast set of records
736XFeb. 25, 1807J. Fox, Jr.Oliverblacksmith
7,242Apr. 02, 1850D. HicksAttachment of the Forge-Hammer to its Helvetrip and helve hammers
8,868Apr. 13, 1852S. AndrewsDrop-Punchdrop hammers
9,941Aug. 16, 1853E.K. RootDrop Hammerdrop hammers
10,332Dec. 20, 1853J. BaxendaleStamping Patterns on Rollersengraving machines
10,486Jan. 31, 1854P.L. WeimerSteam Hammersteam hammers
17,634Jun. 23, 1857H. PierceMachine for Straightening Knife-Bladesforging dies
22,589Jan. 11, 1859G.V. Wilson, C.V. StatlerImprovement in Foot Trip-Hammersfoot operated hammers
30,080Sep. 18, 1860A. MortonTrip Hammertrip and helve hammers
34,434Feb. 18, 1862R.S. LawrenceImprovement in Forging Apparatusdrop hammers
60,458Dec. 18, 1866I. Andrews, L. AndrewsOlivertrip and helve hammers
64,408May 07, 1867L.L. CraneImproved Forging Machineforging dies
66,879Jul. 16, 1867L.H. OlmsteadDrop Hammerdrop hammers
66,884Jul. 16, 1867J.C. RhodesDrop Hammerdrop hammers
95,693Oct. 12, 1869E. KaylorDrop Hammerdrop hammers
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