| All Patents in class 72/432 |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 5,765 | Sep. 12, 1848 | F.E. Sickels | Method of Controlling Motive Power | power hammers |
| 39,924 | Sep. 15, 1863 | B. Hotchkiss | Improved Atmosheric Trip-Hammer | steam hammers |
| RE2,389 | Nov. 06, 1866 | B. Hotchkiss | Trip Hammer | trip and helve hammers |
| 183,797 | Oct. 31, 1876 | L. Chapman | Machines for Punching and Swaging Metal | metal punching machines |
| 207,049 | Aug. 13, 1878 | H. MacColl | Riveting Machine | riveting machines |
| 264,859 | Sep. 26, 1882 | J.C. Butterfield | Atmospheric hammer | drop hammers |
| 335,976 | Feb. 09, 1886 | A. Thomson | Riveting Hammer | riveting machines |
| 485,168 | Nov. 01, 1892 | F.C. Brooksbank | Power Hammer | power hammers |
| 498,354 | May 30, 1893 | D. Longworth | Power Hammer | power hammers |
| 559,251 | Apr. 28, 1896 | J. Bêché | Pneumatic Hammer | power hammers |
| 562,231 | Jun. 16, 1896 | F.B. Miles | Steam Hammer | steam hammers |
| 620,749 | Mar. 07, 1899 | A. Dinkel | Power Hammer | power hammers |
| 950,594 | Mar. 01, 1910 | G.H. Condict | Forging Machine | power hammers |
| 1,007,792 | Nov. 07, 1911 | F. Orton | Press | stamping presses |
| 1,010,938 | Dec. 05, 1911 | F.R. Von Merkl | Riveting Machine | riveting machines |
