| All Patents in class 192/78 |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 35,853 | Jul. 08, 1862 | C. Burleigh | Friction Clutch | industrial machine clutches |
| 298,979 | May 20, 1884 | M.C. Johnson | Friction Clutch | industrial machine clutches |
| 378,448 | Feb. 28, 1888 | W.C. Jones, W.S. Rogers | Friction Clutch | friction clutches |
| 407,748 | Jul. 23, 1889 | W.B. Tatro | Friction Clutch | friction clutches |
| 526,171 | Sep. 18, 1894 | R.T. Wingo | Friction Clutch | industrial machine clutches |
| 683,525 | Oct. 01, 1901 | H.A. Tuttle | Friction-clutch | industrial machine clutches |
| 756,185 | Mar. 29, 1904 | S.C. Schauer | Friction-clutch | drill presses |
| 766,529 | Aug. 02, 1904 | W. Runge | Clutch for lathes or other purposes | metal lathes |
| 890,210 | Jun. 09, 1908 | E.P. Bullard, Jr. | Friction-Clutch | metalworking machine clutches |
| 946,155 | Jan. 11, 1910 | W. Runge | Friction-clutch | metalworking power transmission |
| 954,661 | Apr. 12, 1910 | A.W. Whitcomb | Power-transmission device | industrial machine clutches |
| 959,520 | May 31, 1910 | W.F. Groene | Combined oil-bush and friction device | metalworking machine clutches |
| 1,030,424 | Jun. 25, 1912 | H.M. Norris | Friction Clutch | metalworking power transmission |
| 1,062,840 | May 27, 1913 | W.L. Miller | Clutch Mechanism | metalworking power transmission |
| 1,119,385 | Dec. 01, 1914 | H.F. Arnold | Clutch Mechanism | metalworking machine clutches |
