| All Patents in class 409/18 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 510,122 | Dec. 05, 1893 | U. Eberhardt, H.E. Eberhardt, F.L. Eberhardt | Gear-cutting and hobbing machine | gear making machines |
| 1,012,643 | Dec. 26, 1911 | W.P. Hunt | Gear-hobbing machine | gear hobbing machines |
| 1,143,570 | Jun. 15, 1915 | F. Burgess | Gear hobber | gear making machines |
| 1,308,126 | Jul. 01, 1919 | C.H. Taylor | Gear making attachment for turret lathe | gear making machines |
| 1,516,477 | Nov. 18, 1924 | J.K. Schofield | Lost Motion Means for Gear Hobbing Machines | gear hobbing machines |
| 2,888,858 | Jun. 02, 1959 | A.D. Moncrieff | Hobbing Machine | gear making machines |
| 2,950,655 | Aug. 30, 1960 | A.D. Moncrieff | Hobbing Machine | gear making machines |
