| All Patents in class 72/433 |
Patents 1 -
15
of 52
      |
| Number | Date | Patentee | Title | Type |
| RE2,398 | Nov. 27, 1866 | T. Shaw | Power Hammer | power hammers |
| 62,407 | Feb. 26, 1867 | A.J. Grainger | Improved Forging Apparatus | power hammers |
| 90,693 | Jun. 01, 1869 | T. Shaw | Riveting Machine | riveting machines |
| RE5,381 | Apr. 29, 1873 | J. Palmer | Power Hammers | power hammers |
| 147,184 | Feb. 03, 1874 | R.A. Smith | Machines for Forming Sheet-Metal Caps | drop hammers |
| 153,663 | Aug. 04, 1874 | W.J. Clark, A.O. Kittredge, W.H. Clark | Mallets for Smothing Sheet Metal | power hammers |
| 177,883 | May 23, 1876 | G.H. Pond | Elastic Hanging for Revolving Hammers | power hammers |
| RE7,475 | Jan. 23, 1877 | T. Shaw | Power Hammer | power hammers |
| 206,665 | Aug. 06, 1878 | C.W. Corr | Power Hammer | drop hammers |
| 240,881 | May 03, 1881 | C.M. Brown | Power-hammer | trip and helve hammers |
| 244,927 | Jul. 26, 1881 | J. Patterson | Power Hammer | power hammers |
| 265,655 | Oct. 10, 1882 | W.T. Browne | Rotary Hammer | rotary hammers |
| 302,520 | Jul. 22, 1884 | I.L. Penney | Trip Hammer | drop hammers |
| 335,394 | Feb. 02, 1886 | H. St. Lawrence | Power Hammer | power hammers |
| 403,453 | May 14, 1889 | R.A. Belden | Power Hammer | |
