| All Patents in class 192/25 |
Patents 1 -
15
of 16
      |
| 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 |
| 1,670,648 | 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 |
| 1,928,711 | 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 |
| 2,178,205 | Oct. 31, 1939 | G.O. Johnson | Punch press control | |
| 2,306,167 | Dec. 22, 1942 | G.O. Johnson | Punch press control | punch presses |
| 2,670,636 | Mar. 02, 1954 | F.G. Burg | Machine tool of the drill press type having multiple rotary tools | drill presses |
| 3,239,039 | Mar. 08, 1966 | L.M. Burgett | Punch press with adjustable ram | punch presses |
