| All Patents in class 192/80 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 36,832 | Nov. 04, 1862 | F. Brown, A. Brown | Improvement in friction-coupling | friction clutches |
| 129,914 | Jul. 30, 1872 | T.A. Weston | Improvement in Friction-Clutch | friction clutches |
| 185,567 | Dec. 19, 1876 | A.Y. Parmele | Improvement in clutching apparatus for hoisting-machines | industrial machine clutches |
| 228,552 | Jun. 08, 1880 | W. Oesterlein | Friction-clutch | industrial machine clutches |
| 235,558 | Dec. 14, 1880 | W. Oesterlein | Friction-clutch | industrial machine clutches |
| 239,933 | Apr. 12, 1881 | T.F. Carver | Friction-clutch | industrial machine clutches |
| 241,674 | May 17, 1881 | W.T. Kosinski | Pipe Wrench | chain and strap wrenches |
| 321,941 | Jul. 14, 1885 | A.B. Bean | Friction Clutch | industrial machine clutches |
| 326,091 | Sep. 15, 1885 | A.B. Bean | Friction Clutch | industrial machine clutches |
| 363,507 | May 24, 1887 | M.C. Crompton, Administratrix, H. Wyman, G. Crompton, deceased (Estate of) | Friction Clutch | industrial machine clutches |
| 378,803 | Feb. 28, 1888 | W. Oesterlein | Friction-clutch | industrial machine clutches |
| 406,586 | Jul. 09, 1889 | G. Layng | Apparatus for Reversing Rotary Motion | industrial machine speed and direction changing mechanisms |
| 432,179 | Jul. 15, 1890 | E.S. Capen | Friction-clutch | industrial machine clutches |
| 443,694 | Dec. 30, 1890 | W.J. Woodcock | Friction Clutch | |
| 515,091 | Feb. 20, 1894 | W. Oesterlein | Clutch | industrial machine clutches |
