| All Patents in class 192/93A |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 117,234 | Jul. 18, 1871 | G. Clisbee | Friction Clutch | industrial machine clutches |
| 266,149 | Oct. 17, 1882 | A. Hendey | Hoisting Machine | |
| 421,178 | Feb. 11, 1890 | W. Lewis | Machinery for Transmitting and Arresting Motion | clutches |
| 464,492 | Dec. 08, 1891 | W.E. Canedy | Friction-clutch | metalworking power transmission |
| 1,620,868 | Mar. 15, 1927 | W.J. Burger | Cross Slide Carriage for Turning and Facing Blanks | metalworking machine mechanisms |
| 1,669,006 | May 08, 1928 | H.L. Johnston | Clutch mechanism | industrial machine clutches |
| 1,685,310 | Sep. 25, 1928 | G.W. Drake, E.P. Burrell | Contolling Lever for Machine Tools | metalworking machine mechanisms |
| 1,753,085 | Apr. 01, 1930 | J.L. Peterson | Clutch | drill presses |
| 2,717,679 | Sep. 13, 1955 | G.O. Johnson | Clutch with antibacklash lock | punch presses |
