| All Patents in class 72/431 |
Patents 16 -
30
of 51
      |
| Number | Date | Patentee | Title | Type |
| 327,999 | Oct. 13, 1885 | C.M. Brown | Power-hammer | trip and helve hammers |
| 341,045 | May 04, 1886 | T.V. Norris | Power Hammer | power hammers |
| 351,867 | Nov. 02, 1886 | P.J. Kearns | Rotary Hammer | rotary hammers |
| 355,512 | Jan. 04, 1887 | M. Deering | Power-hammer | drop hammers |
| 358,672 | Mar. 01, 1887 | W.R. Jenkins, Jr. | Power Hammer | power hammers |
| 412,809 | Oct. 15, 1889 | C.A. Vaughn | Power-hammer | power hammers |
| 477,559 | Jun. 21, 1892 | W.H. Law | Power Hammer | power hammers |
| 486,784 | Nov. 22, 1892 | A.L. Kern | Machine for Forging Vehicle Clips | power hammers |
| 487,692 | Dec. 06, 1892 | A. Beaudry | Power-hammer | drop hammers |
| 497,013 | May 09, 1893 | C.M. Brown | Power-hammer | drop hammers |
| 510,637 | Dec. 12, 1893 | A. Galette | Machine for Sharpening Scythes | rotary hammers |
| 575,784 | Jan. 26, 1897 | F. Raymond | Power Hammer | power hammers |
| 606,370 | Jun. 28, 1898 | C.A. Vuughn | Power Hammer | power hammers |
| 619,048 | Feb. 07, 1899 | L. Mayer | Cushion-coupling for trip-hammers | drop hammers |
| 625,870 | May 30, 1899 | W.U. Burgett | Foot Power Hammer | foot operated hammers |
