| All Patents in class 72/438 |
Patents 1 -
15
of 62
      |
| Number | Date | Patentee | Title | Type |
| 5,818 | Oct. 03, 1848 | C.D. Goorich | Machine for Planishing and Hammering Metal | blacksmith |
| 7,965 | Mar. 11, 1851 | L. Briggs, Jr. | Method of Adjusting the Stroke of Trip-Hammers | trip and helve hammers |
| 9,942 | Aug. 16, 1853 | W. Van Anden | Trip Hammer | trip and helve hammers |
| 10,274 | Nov. 29, 1853 | J.W. Peer | Vertical Trip Hammer | trip and helve hammers |
| 10,923 | May 16, 1854 | B. Hughes | Trip-Hammer | trip and helve hammers |
| 13,608 | Sep. 25, 1855 | P.L. Weimer | Trip-Hammer | trip and helve hammers |
| 17,411 | May 26, 1857 | M. Peck | Drop-Press | drop hammers |
| 22,092 | Nov. 16, 1858 | B. Shiverick | Forge-Hammer | drop hammers |
| 27,804 | Apr. 10, 1860 | D. Howell | Trip-Hammer | trip and helve hammers |
| 40,390 | Oct. 27, 1863 | J. Briggs | Trip Hammer | trip and helve hammers |
| 46,229 | Feb. 07, 1865 | F. Krautwadel, H.E. Fessel | Trip Hammer | trip and helve hammers |
| 54,560 | May 08, 1866 | E.L. Kinsley | Steam Hammer | steam hammers |
| 57,045 | Aug. 07, 1866 | R. Lyon | Making Rivets | riveting machines |
| 68,295 | Aug. 27, 1867 | J. Tandler | Trip Hammer | trip and helve hammers |
| 74,868 | Feb. 25, 1868 | C. Vogel | Trip Hammer | trip and helve hammers |
