| All Patents in class 72/451 |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 38,767 | Jun. 02, 1863 | M.H. Stein | Improved press for forming dies | stamping presses |
| 54,560 | May 08, 1866 | E.L. Kinsley | Steam Hammer | steam hammers |
| 78,105 | May 19, 1868 | N.C. Lombard, M. Bray | Improved machine for forming sheet-metal ware | stamping presses |
| 170,868 | Dec. 07, 1875 | C. Lusted | Drop-Hammer | drop hammers |
| 252,853 | Jan. 24, 1882 | A.R. Woodyatt | Machine for bending and shaping metal articles | metal bending machines |
| 335,976 | Feb. 09, 1886 | A. Thomson | Riveting Hammer | riveting machines |
| 357,255 | Feb. 08, 1887 | E. Welsh, A. Welsh | Oliver | foot operated hammers |
| 379,818 | Mar. 20, 1888 | C.J. Rundquist | Foot-power hammer | foot operated hammers |
| 477,559 | Jun. 21, 1892 | W.H. Law | Power Hammer | power hammers |
| 507,239 | Oct. 24, 1893 | C.H. Norton | Riveting Machine | riveting machines |
| 514,787 | Feb. 13, 1894 | W. Laird, J.B. Sweeney | Power Hammer | power hammers |
| 642,070 | Jan. 30, 1900 | E.H. Blossom | Power-hammer | drop hammers |
| 709,167 | Sep. 16, 1902 | G.E. Martin | Riveting Machine | riveting machines |
| 709,577 | Sep. 23, 1902 | L.D. Howard | Drop-hammer | blacksmith |
| 751,522 | Feb. 09, 1904 | A.A. Koch | Power Hammer | forging machines |
