TREA

with both drive and hammer connected to a fulcrumed lever

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Industry

  • CPC
  • B21J7/10
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21JFORGING HAMMERING PRESSING METAL RIVETING FORGE FURNACES B21J7/00Hammers Forging machines with hammers or die jaws acting by impact

Current Industry

B21J7/10with both drive and hammer connected to a fulcrumed lever
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3668915
    • Patent number 3,668,915
    • Issue date Jun 13, 1972
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2680282
    • Patent number 2,680,282
    • Issue date Jun 8, 1954
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2475398
    • Patent number 2,475,398
    • Issue date Jul 5, 1949
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2313722
    • Patent number 2,313,722
    • Issue date Mar 16, 1943
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1927097
    • Patent number 1,927,097
    • Issue date Sep 19, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1840174
    • Patent number 1,840,174
    • Issue date Jan 5, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1814459
    • Patent number 1,814,459
    • Issue date Jul 14, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1797136
    • Patent number 1,797,136
    • Issue date Mar 17, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1677513
    • Patent number 1,677,513
    • Issue date Jul 17, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1485486
    • Patent number 1,485,486
    • Issue date Mar 4, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1483328
    • Patent number 1,483,328
    • Issue date Feb 12, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1454633
    • Patent number 1,454,633
    • Issue date May 8, 1923
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1448868
    • Patent number 1,448,868
    • Issue date Mar 20, 1923
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1428612
    • Patent number 1,428,612
    • Issue date Sep 12, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1389501
    • Patent number 1,389,501
    • Issue date Aug 30, 1921
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1353347
    • Patent number 1,353,347
    • Issue date Sep 21, 1920
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...