| All Patents in class 475 |
Patents 121 -
135
of 196
      |
| Number | Date | Patentee | Title | Type |
| 1,490,516 | Apr. 15, 1924 | A.B. Landis | Automobile transmission | |
| 1,611,042 | Dec. 14, 1926 | M.K. Akers, H.L. Johnston | Variable-speed mechanism | |
| 1,680,141 | Aug. 07, 1928 | W.T. Emmes | Reversing and braking mechanism for machine tools | metalworking machine mechanisms |
| 1,692,487 | Nov. 20, 1928 | E.L. Connell | Motor-driven threading tool | |
| 1,709,233 | Apr. 16, 1929 | O.C. Schroeder | Mechanical movement | metal lathe accessories and attachments |
| 1,716,738 | Jun. 11, 1929 | J. Reid | Clutch Pulley Control | industrial machine pulleys and belt drive mechanisms |
| 1,734,375 | Nov. 05, 1929 | R. Hamilton | Gear and bearing assembly for Fordson tractors | tractors |
| 1,758,656 | May 13, 1930 | G.W. Emrick | Tapping attachment | tapping heads and chucks |
| 1,768,645 | Jul. 01, 1930 | P.R. Thompson, O. Thomas | Tractor | tractors |
| 1,799,393 | Apr. 07, 1931 | A.E. Rylander | Variable-Speed Brace Drill | braces |
| 1,834,716 | Dec. 01, 1931 | J. Kis | Universal Machine Head | milling machine accessories |
| 1,855,174 | Apr. 26, 1932 | H.F. Bakewell | Power application and control means | |
| 1,919,389 | Jul. 25, 1933 | H.L. Myers | Planetary type surfacing machine | sanding machines |
| 1,979,333 | Nov. 06, 1934 | E.R. Llewellyn | Power Transmitting Apparatus | metal shapers |
| 2,033,749 | Mar. 10, 1936 | J.M. Walter | Milling machine head | milling machines |
