| All Patents in class 192/96 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 80,024 | Jul. 14, 1868 | H.K. Smith | Friction Clutch Pulley | industrial machine clutches |
| 374,908 | Dec. 13, 1887 | J.S. Bancroft, W. Sellers | Planing Machine for Metals | metal planers |
| 521,059 | Jun. 05, 1894 | T.J. Thorp | Clutch | industrial machine clutches |
| 617,419 | Jan. 10, 1899 | F.G. Hobart | Friction Clutch | industrial machine clutches |
| 819,226 | May 01, 1906 | C.O. Heggem | Traction Engine | steam traction engines |
| 890,210 | Jun. 09, 1908 | E.P. Bullard, Jr. | Friction-Clutch | metalworking machine clutches |
| 890,211 | Jun. 09, 1908 | S.H. Bullard | Machine-Tool-Operating Mechanism | metalworking machine clutches |
| 893,684 | Jul. 21, 1908 | A.W. Whitcomb | Power Transmitting Device | friction clutches |
| 954,661 | Apr. 12, 1910 | A.W. Whitcomb | Power-transmission device | industrial machine clutches |
| 1,071,539 | Aug. 26, 1913 | A.P. Weigel | Feed mechanism for drill-presses | drill presses |
| 1,192,793 | Jul. 25, 1916 | H. Manthey | Clutch | harvesters |
| 1,878,149 | Sep. 20, 1932 | H.L. Johnston | Mixing machine | |
