| All Patents in class 192/70.24 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 174,190 | Feb. 29, 1876 | D.W. Burnham | Pulley-Clutch | industrial machine pulleys and belt drive mechanisms |
| 186,296 | Jan. 16, 1877 | A.B. Bean | Clutch | metalworking power transmission |
| 559,558 | May 05, 1896 | T.H. Worrall, A. Lesperance | Friction-clutch | metalworking power transmission |
| 606,634 | Jun. 28, 1898 | T.H. Worrall, A. Lesperance | Friction-clutch | metalworking power transmission |
| 851,956 | Apr. 30, 1907 | M.F. McMahon | Friction-clutch for automobiles and other purposes | motor vehicles |
| 900,397 | Oct. 06, 1908 | P.M. Lange | Friction Clutch | metalworking machine mechanisms |
| 943,142 | Dec. 14, 1909 | A.L. De Leeuw | Variable Speed Driving Mechanism | metalworking variable speed mechanisms |
| 1,625,738 | Apr. 19, 1927 | L.F. Nenninger | Machine Tool Clutch | milling machines |
| 1,662,598 | Mar. 13, 1928 | F.H. Bierman | Clutch and clutch-actuating mechanism | clutches |
