All Patents of Type: drop hammers |
Patents 1 -
15
of 229
|
Number | Date | Patentee | Title | Type |
GB-163,400,044 | Jul. 13, 1628 | A. Rotsipen | Instruments 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 power | screw machines |
GB-178,401,432 | Apr. 28, 1784 | J. Watt | Improvements on Steam or Fire Engines-Three Bar Motion and Steam Carriage | steam engines |
GB-180,602,939 | Jun. 06, 1806 | W. Deverell | Giving motion to hammers, stampers, knives, shears, and other things, without the application of a wheel, pinion or any rotative motion, by powers in common use | drop hammers |
GB-184,309,850 | Jul. 24, 1843 | J. Nasmyth | Improvements in machinery or apparatus for forging, stamping, and cutting iron and other substances; Machinery for driving piles | drop hammers |
GB-185,113,777 | Oct. 16, 1851 | T.H. Fromings | Forge-hammers | drop hammers |
8,548 | Nov. 25, 1851 | M. Peck | Drop Hammer | drop hammers |
8,868 | Apr. 13, 1852 | S. Andrews | Drop-Punch | drop hammers |
9,941 | Aug. 16, 1853 | E.K. Root | Drop Hammer | drop hammers |
10,720 | Apr. 04, 1854 | S. Andrews | Drop and die forging and punching machine | drop hammers |
14,009 | Jan. 01, 1856 | N. Chapman | Chain of Power Presses | drop hammers |
17,411 | May 26, 1857 | M. Peck | Drop-Press | drop hammers |
22,092 | Nov. 16, 1858 | B. Shiverick | Forge-Hammer | drop hammers |
34,434 | Feb. 18, 1862 | R.S. Lawrence | Improvement in Forging Apparatus | drop hammers |
36,459 | Sep. 16, 1862 | W.F. Goulding, F. Cheney | Improvement in Drop-Presses | drop hammers |
GB-186,102,772 | Nov. 05, 1862 | R. Wilson | Improvements in steam hammers and in valves applicable to the same, and to other steam engines | drop hammers |