| All Patents in class 72/438 |
Patents 1 -
10
of 62
      |
| Picture | Number | Date | Patentee | Title |
 | 5,818 | Oct. 03, 1848 | C.D. Goorich | Machine for Planishing and Hammering Metal |
| | 7,965 | Mar. 11, 1851 | L. Briggs, Jr. | Method of Adjusting the Stroke of Trip-Hammers |
| | 9,942 | Aug. 16, 1853 | W. Van Anden | Trip Hammer |
| | 10,274 | Nov. 29, 1853 | J.W. Peer | Vertical Trip Hammer |
 | 10,923 | May 16, 1854 | B. Hughes | Trip-Hammer |
| | 13,608 | Sep. 25, 1855 | P.L. Weimer | Trip-Hammer |
| | 17,411 | May 26, 1857 | M. Peck | Drop-Press |
| | 22,092 | Nov. 16, 1858 | B. Shiverick | Forge-Hammer |
| | 27,804 | Apr. 10, 1860 | D. Howell | Trip-Hammer |
| | 40,390 | Oct. 27, 1863 | J. Briggs | Trip Hammer |
