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All Patents of Type: drop hammers
Patents 1 - 15 of 229
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NumberDatePatenteeTitleType
GB-163,400,044Jul. 13, 1628A. RotsipenInstruments for cutting, polishing, filing, turning, boring, grinding, sawing, and planing metals for cutting screws, for making files and bullets, for making and rifling barrels, for pressing or printing, and a hammer moved by water or horse powerscrew machines
GB-178,401,432Apr. 28, 1784J. WattImprovements on Steam or Fire Engines-Three Bar Motion and Steam Carriagesteam engines
GB-180,602,939Jun. 06, 1806W. DeverellGiving motion to hammers, stampers, knives, shears, and other things, without the application of a wheel, pinion or any rotative motion, by powers in common usedrop hammers
GB-184,309,850Jul. 24, 1843J. NasmythImprovements in machinery or apparatus for forging, stamping, and cutting iron and other substances; Machinery for driving pilesdrop hammers
GB-185,113,777Oct. 16, 1851T.H. FromingsForge-hammersdrop hammers
8,548Nov. 25, 1851M. PeckDrop Hammerdrop hammers
8,868Apr. 13, 1852S. AndrewsDrop-Punchdrop hammers
9,941Aug. 16, 1853E.K. RootDrop Hammerdrop hammers
10,720Apr. 04, 1854S. AndrewsDrop and die forging and punching machinedrop hammers
14,009Jan. 01, 1856N. ChapmanChain of Power Pressesdrop hammers
17,411May 26, 1857M. PeckDrop-Pressdrop hammers
22,092Nov. 16, 1858B. ShiverickForge-Hammerdrop hammers
34,434Feb. 18, 1862R.S. LawrenceImprovement in Forging Apparatusdrop hammers
36,459Sep. 16, 1862W.F. Goulding, F. CheneyImprovement in Drop-Pressesdrop hammers
GB-186,102,772Nov. 05, 1862R. WilsonImprovements in steam hammers and in valves applicable to the same, and to other steam enginesdrop hammers
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