| All Patents in class 72/171 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 275,029 | Apr. 03, 1883 | J.M. Evarts | Machine for Bending Pipe | pipe bending machines |
| 522,487 | Jul. 03, 1894 | T. Schramm, J. Pleukharp | Machine for flaring and bending hoops | hoop making machines |
| 583,166 | May 25, 1897 | C.A. Bertsch | Metal Bending Machine | metal bending machines |
| 609,807 | Aug. 30, 1898 | E. Holmes, B. Holmes | Machine for Flaring and Bending Metal Hoops | barrel making machines |
| 735,704 | Aug. 11, 1903 | E.G. Budd | Machine for curving pulley-rims | pulley making machines |
| 924,758 | Jun. 15, 1909 | C. Gabriel | Machine for Bending Angle Irons | metal bending machines |
| 1,144,459 | Jun. 29, 1915 | F.V. Burman | Angle-iron-bending machine | metal bending machines |
| 1,435,041 | Nov. 07, 1922 | G.H. Zimmer | Bending machine | |
| 1,588,817 | Jun. 15, 1926 | H.C. Smith | Bending Machine | sheet metal bending machines |
| 1,673,477 | Jun. 12, 1928 | A.T. Yates | Rolling attachment for bending machines | |
| 1,743,418 | Jan. 14, 1930 | A.T. Yates | Bending Machine | metal bending machines |
| 1,804,468 | May 12, 1931 | J. Jensen | Angle Bar Bending Machine | metal bending machines |
| 1,942,992 | Jan. 09, 1934 | A.T. Yates | Process and apparatus for bending metal bars | |
| 1,963,661 | Jun. 19, 1934 | W.E. Kane | Metal bending machine | metal bending machines |
