| All Patents in class 192/99A |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 186,296 | Jan. 16, 1877 | A.B. Bean | Clutch | metalworking power transmission |
| 232,884 | Oct. 05, 1880 | J.H. Cox | Pawl Shifter for Traction Engines | traction engine propulsion components |
| 423,333 | Mar. 11, 1890 | P. Medart | Friction Clutch | friction clutches |
| 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 |
| 808,975 | Jan. 02, 1906 | H.G. Dittbenner | Friction-clutch | metalworking power transmission |
| 835,373 | Nov. 06, 1906 | H.R. Stacks | Friction-clutch | industrial machine clutches |
| 851,956 | Apr. 30, 1907 | M.F. McMahon | Friction-clutch for automobiles and other purposes | motor vehicles |
| 1,272,081 | Jul. 09, 1918 | H.R. Nutting, A.B. Nutting | Clutch | industrial machine clutches |
| 1,291,883 | Jan. 21, 1919 | J.B. Highland | Friction-clutch | clutches |
