| All Patents in class 451/147 |
Patents 16 -
29
of 29
      |
| Number | Date | Patentee | Title | Type |
| 955,498 | Apr. 19, 1910 | J.M. Campbell | Gear Cutting Attachment for Lathes | metal lathe accessories and attachments |
| 980,232 | Jan. 03, 1911 | A.F. Cooke, T. Fawcus | Gear Cutting Machine | gear making machines |
| 1,001,008 | Aug. 22, 1911 | N.H. Fay | Feeding Blanks to Rack Cutting Machines | gear making machines |
| 1,190,391 | Jul. 11, 1916 | E.R. Fellows | Means for Generating and Cutting Irregular Gears | gear making machines |
| 1,203,608 | Nov. 07, 1916 | E.W. Bullock, A.L. Stewart, J.E. Gleason | Gear Cutting Machine | gear making machines |
| 1,216,454 | Feb. 20, 1917 | A.J. Gosselin, A.H. Ingle | Gear Tooth Rounding Machine | gear making machines |
| 1,383,707 | Jul. 05, 1921 | W.C. Farnum | Art of making gear-cutters | |
| 1,916,117 | Jun. 27, 1933 | A.E. Robinson | Lapping Machine | gear lapping machines |
| 2,164,642 | Jul. 04, 1939 | J.C. Drader | Method and Means for Constructing Gear Finishing Tools | gear cutting tools |
| 2,326,368 | Aug. 10, 1943 | C. Black, A. Kullman | Gear Forming Machine | gear measuring machines |
| 2,456,060 | Dec. 14, 1948 | C.G. Pardee, J.H. Hoern | Rotor Grinder | cylindrical grinders |
| 2,672,713 | Mar. 23, 1954 | S.G. Brady | Apparatus for Fashoning Rotary Members Having Angularly Spaced Portions of Like Peripheral Contour | gear grinding machines |
| 3,090,168 | May 21, 1963 | W.R. Carlsen | Tool Head for Finishing Machine | gear making machines |
| 3,302,336 | Feb. 07, 1967 | C.J. Bowman | Workpiece Support for Grinding Machine | cylindrical grinders |
