| All Patents in class 72/437 |
Patents 1 -
10
of 44
      |
| Picture | Number | Date | Patentee | Title |
 | 736X | Feb. 25, 1807 | J. Fox, Jr. | Oliver |
| | 7,242 | Apr. 02, 1850 | D. Hicks | Attachment of the Forge-Hammer to its Helve |
| | 8,868 | Apr. 13, 1852 | S. Andrews | Drop-Punch |
| | 9,941 | Aug. 16, 1853 | E.K. Root | Drop Hammer |
| | 10,332 | Dec. 20, 1853 | J. Baxendale | Stamping Patterns on Rollers |
| | 10,486 | Jan. 31, 1854 | P.L. Weimer | Steam Hammer |
| | 17,634 | Jun. 23, 1857 | H. Pierce | Machine for Straightening Knife-Blades |
| | 22,589 | Jan. 11, 1859 | G.V. Wilson, C.V. Statler | Improvement in Foot Trip-Hammers |
| | 30,080 | Sep. 18, 1860 | A. Morton | Trip Hammer |
| | 34,434 | Feb. 18, 1862 | R.S. Lawrence | Improvement in Forging Apparatus |
