| All Patents in class 192/25 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 12,723 | Apr. 17, 1855 | D. Fowler | Machine for Punching Metal | stamping presses |
| 52,335 | Jan. 30, 1866 | N.C. Stiles | Clutch | metal punching machines |
| 362,997 | May 17, 1887 | M.O. Rehfuss | Clutch and Stop-Motion for Shafting | friction clutches |
| 583,263 | May 25, 1897 | A.C. Kronquest | Clutch | punch presses |
| 1,099,867 | Jun. 09, 1914 | H.C. Walsh | Clutch for die presses | punch presses |
| 1,126,452 | Jan. 26, 1915 | P.R. Hahnemann | Clutch | stamping presses |
| 1,630,882 | May 31, 1927 | E.W. Zeh | Clutch-operating mechanism for power presses | metalworking presses |
| 1,670,648 | May 22, 1928 | O.S. Beyer | Automatic punching press | punch presses |
| 1,702,548 | Feb. 19, 1929 | A.H. Schloz | Clutch mechanism | punch presses |
| 1,721,902 | Jul. 23, 1929 | A.F. Froussard | Clutch Mechanism for Presses | metalworking presses |
| 1,752,843 | Apr. 01, 1930 | P.R. Hahnemann | Clutch | industrial machine clutches |
| 1,853,766 | Apr. 12, 1932 | P.R. Hahnemann | Nonrepeating clutch | industrial machine clutches |
| 1,928,711 | Oct. 03, 1933 | H.C. Walsh | Power press | punch presses |
| 1,947,892 | Feb. 20, 1934 | H.C. Walsh, E.H. Hall | Power press control | punch presses |
| 2,051,116 | Aug. 18, 1936 | H.C. Walsh, E.H. Hall | Power press driving mechanism | punch presses |
