| All Patents in class 192/75 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 60,269 | Dec. 04, 1866 | C.B. Smith | Improvement in friction pulley | industrial machine pulleys and belt drive mechanisms |
| 163,217 | May 11, 1875 | P.B. Lawson | Expanding Mandrel | mandrels and arbors |
| 189,062 | Apr. 03, 1877 | M. Rumely | Friction Clutch | industrial machine clutches |
| 266,761 | Oct. 31, 1882 | F. Brown | Friction Clutch | industrial machine clutches |
| 306,127 | Oct. 07, 1884 | J.C. Blevney | Friction-clutch | industrial machine clutches |
| 310,173 | Jan. 06, 1885 | J.C. Blevney | Friction Coupling | industrial machine clutches |
| 313,644 | Mar. 10, 1885 | S. Barton | Friction Clutch | friction clutches |
| 330,576 | Nov. 17, 1885 | C.M. Giddings | Traction Engine | traction engine propulsion components |
| 392,898 | Nov. 13, 1888 | H.L. Whitman, C.E. Whitman | Friction-clutch and brake for baling-presses | hay or straw binders |
| 403,739 | May 21, 1889 | H.C. Crowell | Friction Clutch | industrial machine clutches |
| 428,634 | May 27, 1890 | W.N. Rumely | Friction Clutch | traction engine clutches |
| 456,909 | Jul. 28, 1891 | A.C. Rice | Friction-clutch | friction clutches |
| 568,064 | Sep. 22, 1896 | J.L. Bogert | Changeable Speed Gearing | metalworking machine gearing |
| 575,988 | Jan. 26, 1897 | J.M. Rauhoff | Clutch | friction clutches |
| 683,591 | Oct. 01, 1901 | D.B. Bullard | Clutch Mechanism | vertical turret lathes |
