| All Patents in class 72/450 |
Patents 1 -
10
of 80
      |
| Picture | Number | Date | Patentee | Title |
| | 9,266 | Sep. 14, 1852 | G.H. Richards | Forging Machine |
 | 13,434 | Aug. 14, 1855 | D. Noyes | Oliver |
| | 14,009 | Jan. 01, 1856 | N. Chapman | Chain of Power Presses |
| | 49,593 | Aug. 22, 1865 | H. Shattuck | Improved Atmospheric Hammer |
| | 54,413 | May 01, 1866 | J. Robertson | Improved Atmospheric Hammers |
| | 55,813 | Jun. 26, 1866 | J.T. Bruen | Improvement in Hammers for Bending, Coupling &c. |
| | 59,940 | Nov. 27, 1866 | J.G. Alleyne | Forging Apparatus |
| | 60,973 | Jan. 01, 1867 | H. Waters | Metal Punch |
| | 64,567 | May 07, 1867 | T.F. Preston | Power Hammer |
| | 66,222 | Jul. 02, 1867 | A. Sharp, A. Cunningham | Power Hammer |
