| All Patents in class 192/75 |
Patents 1 -
10
of 24
      |
| Picture | Number | Date | Patentee | Title |
 | 60,269 | Dec. 04, 1866 | C.B. Smith | Improvement in friction pulley |
| | 163,217 | May 11, 1875 | P.B. Lawson | Expanding Mandrel |
| | 189,062 | Apr. 03, 1877 | M. Rumely | Friction Clutch |
 | 266,761 | Oct. 31, 1882 | F. Brown | Friction Clutch |
 | 306,127 | Oct. 07, 1884 | J.C. Blevney | Friction-clutch |
| | 310,173 | Jan. 06, 1885 | J.C. Blevney | Friction Coupling |
| | 313,644 | Mar. 10, 1885 | S. Barton | Friction Clutch |
| | 330,576 | Nov. 17, 1885 | C.M. Giddings | Traction Engine |
 | 392,898 | Nov. 13, 1888 | H.L. Whitman, C.E. Whitman | Friction-clutch and brake for baling-presses |
| | 403,739 | May 21, 1889 | H.C. Crowell | Friction Clutch |
