| All Patents of Type: metalworking machine clutches |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 568,575 | Sep. 29, 1896 | F.M. Leavitt | Clutch for Power Presses | punch presses |
| 700,647 | May 20, 1902 | J. Hartness | Power Transmission Mechanism | metalworking machine clutches |
| 709,918 | Sep. 30, 1902 | A. Mill | Friction Clutch | metalworking machine clutches |
| 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 |
| 959,520 | May 31, 1910 | W.F. Groene | Combined oil-bush and friction device | metalworking machine clutches |
| 1,119,385 | Dec. 01, 1914 | H.F. Arnold | Clutch Mechanism | metalworking machine clutches |
| 1,137,716 | Apr. 27, 1915 | H.P. Reston | Clutch-Shifting Mechanism | metalworking machine clutches |
| 1,288,563 | Dec. 24, 1918 | W.F. Groene | Clutch | metalworking machine clutches |
| 1,293,552 | Feb. 04, 1919 | A.M. Sosa, A.E. Robinson | Clutch | metalworking machine clutches |
| 1,372,913 | Mar. 29, 1921 | H.C. Smith | Stop Mechanism | metalworking machine clutches |
| 1,387,017 | Aug. 09, 1921 | H.C. Smith | Resilient Clutch | metalworking machine clutches |
| 1,528,973 | Mar. 10, 1925 | W.F. Groene | Combined brake and clutch device | metalworking machine clutches |
| 1,625,397 | Apr. 19, 1927 | A.E. Robinson | Friction Clutch Mechanism | metalworking machine clutches |
| 1,709,339 | Apr. 16, 1929 | F.B. Cockburn | Clutch Mechanism for Lathe Apron Transmission | metal lathe mechanisms |
