| All Patents in class 72/412 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 801X | Nov. 04, 1807 | J. Beaumont, R. Wheatley | Mode of Making Stove Pipes |
 | 1,553 | Apr. 15, 1840 | W. Field | Manner of Manufacturing Screw-Augers |
 | 56,602 | Jul. 24, 1866 | H.W. Pell | Improved Dies for Forming the Heads of Wrenches |
 | 109,115 | Nov. 08, 1870 | J. Cunningham | Improvement in apparatus for fitting and setting axles |
| | 138,617 | May 06, 1873 | H.M. Crippen | Swaging Machines |
| | 414,030 | Oct. 29, 1889 | J.A. Facer | Steam Hammer for Forging Steel Wheels |
| | 542,127 | Jul. 02, 1895 | W.H. Wood | Circular Flanging Machine |
| | 568,911 | Oct. 06, 1896 | W.C. Kroegher | Welding Machine |
| | 578,731 | Mar. 16, 1897 | F.L. Eberhardt, U. Eberhardt | Wrought Metal Gear Wheel and Mechanism for Making Same |
 | 672,552 | Apr. 23, 1901 | J.P. Harrington | Shaft-upsetting hammer |
