| All Patents of Type: gear making machines |
Patents 1 -
10
of 255
      |
| Picture | Number | Date | Patentee | Title |
| | 5,614 | Jun. 06, 1848 | J.P. Gaume | Machinery for cutting Cog-Wheels, &c. |
| | 6,161 | Mar. 10, 1849 | G.H. Corliss | Machine for Cutting the Cogs of Beveled Cog Wheels |
| | 25,759 | Oct. 11, 1859 | H. Pfarrer | Gear Cutting Engine |
| | 40,550 | Nov. 10, 1863 | A.T. Boon | Gear Cutting |
| | 56,149 | Jul. 03, 1866 | E. Parker | Gear Cutter |
| | 67,219 | Jul. 30, 1867 | T.B. Russell | Improvements in Gear-Cutting Wheels |
| | 70,293 | Oct. 29, 1867 | J. Underwood | Machine for Cutting Teeth of Wheels |
| | 78,896 | Jun. 16, 1868 | E. Roberts | Cutting Teeth on Metal Wheels |
 | 107,903 | Oct. 04, 1870 | J.L. Hathaway | Finishing Watch Wheels |
 | 110,406 | Dec. 20, 1870 | C. Van Haagen | Improvement in gear-cutting machines |