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Drop hammers

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Industry

  • CPC
  • B21J7/06
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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

B21J7/06Drop hammers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing a drum of an axial piston machine
    • Patent number 10,960,459
    • Issue date Mar 30, 2021
    • Liebherr Machines Bulle SA
    • Lennard Geissler
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drop hammer frame weldment and assembly
    • Patent number 4,116,039
    • Issue date Sep 26, 1978
    • AMCA International Corporation
    • Joseph A. Geuss
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3561238
    • Patent number 3,561,238
    • Issue date Feb 9, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3205693
    • Patent number 3,205,693
    • Issue date Sep 14, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2689491
    • Patent number 2,689,491
    • Issue date Sep 21, 1954
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1615326
    • Patent number 1,615,326
    • Issue date Jan 25, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1262624
    • Patent number 1,262,624
    • Issue date Apr 16, 1918
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    401656
    • Patent number 401,656
    • Issue date Apr 16, 1889
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    340954
    • Patent number 340,954
    • Issue date Apr 27, 1886
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    340601
    • Patent number 340,601
    • Issue date Apr 27, 1886
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    340600
    • Patent number 340,600
    • Issue date Apr 27, 1886
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    340606
    • Patent number 340,606
    • Issue date Apr 27, 1886
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    312984
    • Patent number 312,984
    • Issue date Feb 24, 1885
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    295903
    • Patent number 295,903
    • Issue date Apr 1, 1884
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    280287
    • Patent number 280,287
    • Issue date Jun 26, 1883
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    262562
    • Patent number 262,562
    • Issue date Aug 15, 1882
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    244597
    • Patent number 244,597
    • Issue date Jul 19, 1881
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    226898
    • Patent number 226,898
    • Issue date Apr 27, 1880
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    202658
    • Patent number 202,658
    • Issue date Apr 23, 1878
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    127288
    • Patent number 127,288
    • Issue date May 28, 1872
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    106769
    • Patent number 106,769
    • Issue date Aug 30, 1870
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    100521
    • Patent number 100,521
    • Issue date Mar 8, 1870
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    81965
    • Patent number 81,965
    • Issue date Sep 8, 1868
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    56954
    • Patent number 56,954
    • Issue date Aug 7, 1866
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    26560
    • Patent number 26,560
    • Issue date Dec 27, 1859
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    23502
    • Patent number 23,502
    • Issue date Apr 5, 1859
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    17452
    • Patent number 17,452
    • Issue date Jun 2, 1857
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3980
    • Patent number 3,980
    • Issue date Apr 1, 1845
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents