| All Patents in class 72/431 |
Patents 31 -
45
of 51
      |
| Number | Date | Patentee | Title | Type |
| 661,017 | Oct. 30, 1900 | C. Kuhlewind | Rolling Mill | rolling mills |
| 743,763 | Nov. 10, 1903 | W.E. Sheehy | Power Hammer | power hammers |
| 753,618 | Mar. 01, 1904 | J.H. Norquist | Power-hammer | power hammers |
| 754,755 | Mar. 15, 1904 | T.A. Edison | Compressing Dies | forging dies |
| 787,331 | Apr. 11, 1905 | H. Dorsch, J. Heinrich | Power Hammer | power hammers |
| 808,712 | Jan. 02, 1906 | G.C. Andrews | Machine for Punching Metal | metal punching machines |
| 809,348 | Jan. 09, 1906 | M.T. Weston | Power Hammer | rotary hammers |
| 814,003 | Feb. 27, 1906 | H.E. Grabau | Hammer for Beating Leaf Metal | power hammers |
| 823,480 | Jun. 12, 1906 | J.P. McLeod | Drop Hammer | drop hammers |
| 940,533 | Nov. 16, 1909 | R. Jay | Riveting Machine | riveting machines |
| 955,117 | Apr. 12, 1910 | F.I. Ellis | Pipe Crushing and Shearing Machine | metal shearing machines |
| 1,173,525 | Feb. 29, 1916 | P.H. Leckinger | Riveting Hammer | riveting machines |
| 1,194,653 | Aug. 15, 1916 | J.H. Montstream | Drop Hammer | drop hammers |
| 1,203,206 | Oct. 31, 1916 | N. Krump | Sheet Metal Brake | sheet metal brakes |
| 1,281,393 | Oct. 15, 1918 | D. Kendall | Safety Device for Forging Manipulators | forging presses |
