| All Patents in class 192/110R |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 1,230,128 | Jun. 19, 1917 | H. Dalton | Counter-shaft | industrial machine pulleys and belt drive mechanisms |
| 1,559,944 | Nov. 03, 1925 | G.W. Emrick | Clutch construction for tapping attachments and the like | tapping heads and chucks |
| 1,665,554 | Apr. 10, 1928 | G.F. Kolb | Clutch | |
| 1,780,222 | Nov. 04, 1930 | E.P. Bullard, Jr., G.F. Kolb | Clutch | |
| 1,808,240 | Jun. 02, 1931 | C.G. Mahana | Power Transmission Means | industrial machine clutches |
| 1,855,882 | Apr. 26, 1932 | R.L. Williamson, W.G. Hoelscher | Reversing Gear and Clutch Mechanism | metalworking speed changing mechanisms |
| 1,903,963 | Apr. 18, 1933 | G.W. Emrick | Multiple disk clutch | tapping machines |
| 1,971,955 | Aug. 28, 1934 | W.G. Hoelscher | Reversing Gear and Clutch Mechanism | metalworking power transmission |
| 1,988,967 | Jan. 22, 1935 | G.W. Emrick | Clutch device | tapping heads and chucks |
| 2,162,250 | Jun. 13, 1939 | G.W. Emrick | Clutch mechanism for tapping attachments | tapping heads and chucks |
