| All Patents in class 72/400 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 59,940 | Nov. 27, 1866 | J.G. Alleyne | Forging Apparatus |
| | 78,230 | May 26, 1868 | J. Palmer | Elliptic Spring |
 | 229,198 | Jun. 22, 1880 | C.F. Steinway | Screw-clamp for wood-bending machines |
| | 322,930 | Jul. 28, 1885 | H. Hammond | Forging Hammer |
| | 634,284 | Oct. 03, 1899 | E.G. Budd | Die for forming sheet-metal pulley-rims |
| | 1,080,309 | Dec. 02, 1913 | W. Vollmer | Metal Bending Machine |
| | 1,141,677 | Jun. 01, 1915 | E.W. Zeh | Power-press |
| | 3,130,611 | Apr. 28, 1964 | O.A. Specht | Swaging Machine |
| | 3,260,091 | Jul. 12, 1966 | R.M. Shaw, Jr. | Bending Machine |
