driven by steam, air, or other gaseous pressure

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydropunch for use in a press

    • Patent number 4,344,313
    • Issue date Aug 17, 1982
    • Viktor N. Chachin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3043271

    • Patent number 3,043,271
    • Issue date Jul 10, 1962
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2854264

    • Patent number 2,854,264
    • Issue date Sep 30, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2744315

    • Patent number 2,744,315
    • Issue date May 8, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2652691

    • Patent number 2,652,691
    • Issue date Sep 22, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2619072

    • Patent number 2,619,072
    • Issue date Nov 25, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2604071

    • Patent number 2,604,071
    • Issue date Jul 22, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2263680

    • Patent number 2,263,680
    • Issue date Nov 25, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2250449

    • Patent number 2,250,449
    • Issue date Jul 29, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2220036

    • Patent number 2,220,036
    • Issue date Oct 29, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2206812

    • Patent number 2,206,812
    • Issue date Jul 2, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2195644

    • Patent number 2,195,644
    • Issue date Apr 2, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2193166

    • Patent number 2,193,166
    • Issue date Mar 12, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1990479

    • Patent number 1,990,479
    • Issue date Feb 12, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1924545

    • Patent number 1,924,545
    • Issue date Aug 29, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1752141

    • Patent number 1,752,141
    • Issue date Mar 25, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1722506

    • Patent number 1,722,506
    • Issue date Jul 30, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1565262

    • Patent number 1,565,262
    • Issue date Dec 15, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1531489

    • Patent number 1,531,489
    • Issue date Mar 31, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1531490

    • Patent number 1,531,490
    • Issue date Mar 31, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1531491

    • Patent number 1,531,491
    • Issue date Mar 31, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...