| All Patents in class 192/94 |
Patents 1 -
10
of 21
      |
| Picture | Number | Date | Patentee | Title |
 | 7,557 | Aug. 13, 1850 | N. Barlow | Friction-clutch |
 | 78,961 | Jun. 16, 1868 | D. Harrington | Friction-Clutch Pulley |
 | 148,165 | Mar. 03, 1874 | A.B. Bean | Improvement in machinery clutches |
 | RE6,215 | Jan. 12, 1875 | A.B. Bean | Improvement in machine-clutches |
 | 174,303 | Feb. 29, 1876 | E. Reynolds | Improvement in friction-clutches |
 | 253,175 | Feb. 07, 1882 | J.R. Back | Friction-clutch |
 | 266,761 | Oct. 31, 1882 | F. Brown | Friction Clutch |
 | 286,906 | Oct. 16, 1883 | W.A. Clarke | Traction-engine |
| | 443,694 | Dec. 30, 1890 | W.J. Woodcock | Friction Clutch |
| | 655,415 | Aug. 07, 1900 | A.C. Pessano | Shifter for clutches, &c. |