| All Patents in class 72/434 |
Patents 1 -
15
of 45
      |
| Number | Date | Patentee | Title | Type |
| 30,343 | Oct. 09, 1860 | E. Paye | Power Hammer | trip and helve hammers |
| 54,837 | May 22, 1866 | J. Adt | Riveting Machine | riveting machines |
| 88,980 | Apr. 13, 1869 | T.T. Prosser | Improved power-hammer | drop hammers |
| 170,868 | Dec. 07, 1875 | C. Lusted | Drop-Hammer | drop hammers |
| 244,370 | Jul. 19, 1881 | A. Beaudry | Power-hammer | drop hammers |
| 333,780 | Jan. 05, 1886 | O. Pederson | Riveting Machine | riveting machines |
| 391,133 | Oct. 16, 1888 | W. Foglesong | Horse Collar Hammer | power hammers |
| 454,824 | Jun. 23, 1891 | W. Jones | Power Hammer | power hammers |
| 459,931 | Sep. 22, 1891 | J. Gutberlet | Machine for Sharpening Drills | power hammers |
| 493,874 | Mar. 21, 1893 | J. O'Brien | Power Hammer | power hammers |
| 500,970 | Jul. 04, 1893 | A. Sperl | Forging Hammer | drop hammers |
| 503,492 | Aug. 15, 1893 | O.W. Orcutt | Power Hammer | power hammers |
| 545,756 | Sep. 03, 1895 | E.C. Adt, Executrix, J. Adt, deceased (Estate of) | Riveting Machine | riveting machines |
| 607,510 | Jul. 19, 1898 | J.E. Hermann | Metal Beater Hammer | power hammers |
| 612,949 | Oct. 25, 1898 | W.H. Law | Power Hammer | power hammers |
