TREA

Crankshafts

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Industry

  • CPC
  • B21D11/16
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL B21D11/00Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00 Bending not provided for in groups B21D5/00 - B21D9/00 Twisting

Current Industry

B21D11/16Crankshafts
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Twist-forming press for crank shaft or the like
    • Patent number 5,295,381
    • Issue date Mar 22, 1994
    • Sumitomo Heavy Industries, Ltd.
    • Junji Nishikawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Torsional molding apparatus for crank shaft
    • Patent number 4,580,430
    • Issue date Apr 8, 1986
    • Honda Giken Kogyo Kabushiki Kaisha
    • Kunio Takeda
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2859793
    • Patent number 2,859,793
    • Issue date Nov 11, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2843176
    • Patent number 2,843,176
    • Issue date Jul 15, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2542050
    • Patent number 2,542,050
    • Issue date Feb 20, 1951
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2414549
    • Patent number 2,414,549
    • Issue date Jan 21, 1947
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2044170
    • Patent number 2,044,170
    • Issue date Jun 16, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2018931
    • Patent number 2,018,931
    • Issue date Oct 29, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1991567
    • Patent number 1,991,567
    • Issue date Feb 19, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1954281
    • Patent number 1,954,281
    • Issue date Apr 10, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1890635
    • Patent number 1,890,635
    • Issue date Dec 13, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1779017
    • Patent number 1,779,017
    • Issue date Oct 21, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1778879
    • Patent number 1,778,879
    • Issue date Oct 21, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1756634
    • Patent number 1,756,634
    • Issue date Apr 29, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1680769
    • Patent number 1,680,769
    • Issue date Aug 14, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1553638
    • Patent number 1,553,638
    • Issue date Sep 15, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents