| All Patents in class 192/82R |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 520,528 | May 29, 1894 | E.L. Jones | Clutch | industrial machine clutches |
| 586,263 | Jul. 13, 1897 | T.H. Worrall, A. Lesperance | Power-shifting device for clutch mechanisms | metalworking power transmission |
| 733,412 | Jul. 14, 1903 | J. Miotke | Safety Device for Punch Presses | punch presses |
| 802,489 | Oct. 24, 1905 | H. Baerbalck | Speed-changing device | drill presses |
| 1,049,957 | Jan. 07, 1913 | A.W. Whitcomb | Friction Clutch | friction clutches |
| 1,347,214 | Jul. 20, 1920 | A. Dom | Drilling-machine | drill presses |
| 1,679,027 | Jul. 31, 1928 | C. Gabrielson, A. Meldrum | Drilling machine | drill presses |
| 1,781,274 | Nov. 11, 1930 | W.C. De Roo | Feed-control mechanism | drill presses |
| 1,828,540 | Oct. 20, 1931 | W.A. Marschke | Buffer or grinder | |
| 1,916,914 | Jul. 04, 1933 | A.F. Bennett | Control Mechanism for Machine Tools | machine tool controls |
| 2,006,913 | Jul. 02, 1935 | K.H. Conley | Clutch Throwing Mechanism | |
| 2,178,205 | Oct. 31, 1939 | G.O. Johnson | Punch press control | |
