on intermittently-operating extrusion presses

Patents Grantslast 30 patents

  • Information Patent Grant

    3875782

    • Patent number 3,875,782
    • Issue date Apr 8, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3203216

    • Patent number 3,203,216
    • Issue date Aug 31, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2836295

    • Patent number 2,836,295
    • Issue date May 27, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2828859

    • Patent number 2,828,859
    • Issue date Apr 1, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2782921

    • Patent number 2,782,921
    • Issue date Feb 26, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1838606

    • Patent number 1,838,606
    • Issue date Dec 29, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...