| All Patents in class 192/76 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 49,312 | Aug. 08, 1865 | F. Skinner | Tightening Pulleys by Friction | industrial machine pulleys and belt drive mechanisms |
| 78,961 | Jun. 16, 1868 | D. Harrington | Friction-Clutch Pulley | industrial machine clutches |
| 80,024 | Jul. 14, 1868 | H.K. Smith | Friction Clutch Pulley | industrial machine clutches |
| 174,303 | Feb. 29, 1876 | E. Reynolds | Improvement in friction-clutches | friction clutches |
| 258,472 | May 23, 1882 | B.F. Radford | Clutch Mechanism for Counter Shafting | industrial machine clutches |
| 301,153 | Jul. 01, 1884 | D.C. Prescott | Hoisting apparatus | hoists, winches, come-alongs |
| 398,628 | Feb. 26, 1889 | H.J. Barker, F.H. Laforge | Friction Clutch | industrial machine clutches |
| 521,059 | Jun. 05, 1894 | T.J. Thorp | Clutch | industrial machine clutches |
| 565,002 | Aug. 04, 1896 | A.B. Ireland | Clutch | sawmills |
| 2,245,471 | Jun. 10, 1941 | G.L. Garvin | Friction Clutch for Lathe Aprons | engine lathes |
| 2,588,985 | Mar. 11, 1952 | A.O. Kutz | Clutch with Removable Lining | industrial machine clutches |
| 2,678,218 | May 11, 1954 | C.H. Oslund | Universal Expansion Chuck | metal lathe chucks |
