| All Patents in class 409/2 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 6,161 | Mar. 10, 1849 | G.H. Corliss | Machine for Cutting the Cogs of Beveled Cog Wheels | gear making machines |
| 25,759 | Oct. 11, 1859 | H. Pfarrer | Gear Cutting Engine | gear making machines |
| 26,151 | Nov. 22, 1859 | M. Allan | Metal Planing Machine | metal planers |
| 51,458 | Dec. 12, 1865 | J. Jackson | Improvement in machines for cutting wood gears | specialty woodworking machines |
| 175,859 | Apr. 11, 1876 | W. Gleason | Machine for Cutting the Teeth of Metal Gears | gear making machines |
| 183,298 | Oct. 17, 1876 | A. Hanauer | Gear-Planer | gear making machines |
| RE9,469 | Nov. 16, 1880 | W. Gleason | Machine for Cutting Teeth of Wooden Gears | specialty woodworking machines |
| 367,047 | Jul. 26, 1887 | W.C. Jones | Gear Cutter | gear making machines |
| 414,803 | Nov. 12, 1889 | J.C. Fowler | Machine for Cutting Lobed Gears | gear making machines |
| 509,467 | Nov. 28, 1893 | J.E. Gleason | Tool Controlling Mechanism for Gear Planers | gear making machines |
| 518,497 | Apr. 17, 1894 | J.E. Gleason, W. Gleason | Automatic Gear Planer | gear making machines |
| 565,834 | Aug. 11, 1896 | J. Buck | Machine for Cutting Miter snd Bevel Gear Wheels | gear making machines |
| 607,627 | Jul. 19, 1898 | F. Reece, administrator, M. Reece, administrator, J. Reece, Estate of (deceased) | Machine for Cutting Teeth on Toothed Gears | gear making machines |
| 627,310 | Jun. 20, 1899 | C. De Los Rice | Gear Cutting Machine | gear making machines |
| 678,337 | Jul. 09, 1901 | J.E. Gleason, W. Gleason | Gear Planer | gear making machines |
