| All Patents in class 72/454 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 10,200 | Nov. 01, 1853 | G. Willston | Improvement in machines for straightening or curving rails | metal bending machines |
| 109,115 | Nov. 08, 1870 | J. Cunningham | Improvement in apparatus for fitting and setting axles | specialty woodworking machines |
| 152,695 | Jun. 30, 1874 | C. Scofield | Machines for Straightening Tubing Shafting &c. | metal straightening machines |
| 300,140 | Jun. 10, 1884 | P. Ackermann, M. Schlumm | Machine for Bending Metallic Hoops | metal bending machines |
| 485,735 | Nov. 08, 1892 | H.F. Busking | Shaft Straightener | metal straightening machines |
| 611,695 | Oct. 04, 1898 | R.W. Lundy | Straightening Machine | metal straightening machines |
| 1,076,931 | Oct. 28, 1913 | E.W. Zeh | Power-press | stamping presses |
| 1,076,932 | Oct. 28, 1913 | E.W. Zeh | Power-press | stamping presses |
| 1,151,845 | Aug. 31, 1915 | E.W. Zeh | Power-press | stamping presses |
| 1,323,279 | Dec. 02, 1919 | F.O. Hoagland | Barrel Straightening Mechanism | metal straightening machines |
| 1,951,229 | Mar. 13, 1934 | E.W. Zeh | Ejector for power presses | punch presses |
| 2,113,087 | Apr. 05, 1938 | J. Jensen | Manually Operated Pressure Tool | metal punches |
| 2,132,947 | Oct. 11, 1938 | G.R. Gagne | Tube Flaring Device | |
| 2,245,573 | Jun. 17, 1941 | W.W. Criley | Forging Press | forging presses |
| 2,703,129 | Mar. 01, 1955 | G.M. Smith | Edge Turning Tool | sheet metal tools |
