| All Patents in class 192/70.26 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 463,812 | Nov. 24, 1891 | A. Lesperance | Clutch | metalworking power transmission |
| 463,820 | Nov. 24, 1891 | T.H. Worrall, A. Lesperance | Clutch | metalworking power transmission |
| 482,326 | Sep. 06, 1892 | W.A. Wilkinson | Friction-clutch | metalworking power transmission |
| 683,647 | Oct. 01, 1901 | H.P. Claussen, G.C. Hinkley | Friction-clutch | industrial machine clutches |
| 712,575 | Nov. 04, 1902 | M.F. McMahon | Friction-clutch | industrial machine clutches |
| 851,956 | Apr. 30, 1907 | M.F. McMahon | Friction-clutch for automobiles and other purposes | motor vehicles |
| 890,810 | Jun. 16, 1908 | H.R. Stacks | Friction-clutch | industrial machine clutches |
| 900,397 | Oct. 06, 1908 | P.M. Lange | Friction Clutch | metalworking machine mechanisms |
| 1,272,081 | Jul. 09, 1918 | H.R. Nutting, A.B. Nutting | Clutch | industrial machine clutches |
| 1,292,859 | Jan. 28, 1919 | H.R. Nutting, A.B. Nutting | Clutch | industrial machine clutches |
| 1,662,598 | Mar. 13, 1928 | F.H. Bierman | Clutch and clutch-actuating mechanism | clutches |
| 1,903,963 | Apr. 18, 1933 | G.W. Emrick | Multiple disk clutch | tapping machines |
