by locally stretching or upsetting

Patents Grantslast 30 patents

  • Information Patent Grant

    Sheet metal forming method and apparatus

    • Patent number 10,150,152
    • Issue date Dec 11, 2018
    • Toyota Boshoku Kabushiki Kaisha
    • Kazuyuki Hirata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Device for molding and method for molding metal plate

    • Patent number 9,630,229
    • Issue date Apr 25, 2017
    • Toyota Boshoku Kabushiki Kaisha
    • Kazuyuki Hirata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing stator core of electric rotating machine

    • Patent number 8,061,015
    • Issue date Nov 22, 2011
    • Denso Corporation
    • Takashi Tokizawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device and method for forming a flanged ring

    • Patent number 7,287,407
    • Issue date Oct 30, 2007
    • Eastern Sheet Metal
    • William K. Stout, Jr.
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and device for shaping structural parts by shot blasting or...

    • Patent number 7,181,944
    • Issue date Feb 27, 2007
    • Kugelstrahlzentrum Aachen GmbH
    • Frank Wuestefeld
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Rotary die blade member bending method, and rotary die blade member...

    • Patent number 7,000,442
    • Issue date Feb 21, 2006
    • Suehiro Mizukawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Panel curving machine

    • Patent number 6,688,147
    • Issue date Feb 10, 2004
    • Ceilings Plus, Inc.
    • Charles M. Gordon
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Motor vehicle frame assembly and method of forming the same

    • Patent number 5,855,394
    • Issue date Jan 5, 1999
    • Cosma International Inc.
    • Frank A. Horton
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing a motor vehicle frame assembly

    • Patent number 5,718,048
    • Issue date Feb 17, 1998
    • Cosma International Inc.
    • Frank A. Horton
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ladder frame assembly for a motor vehicle

    • Patent number 5,632,508
    • Issue date May 27, 1997
    • Cosma International Inc.
    • Kenneth B. Jacobs
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing a ladder frame assembly for a motor vehicle

    • Patent number 5,561,902
    • Issue date Oct 8, 1996
    • Cosma International Inc.
    • Kenneth B. Jacobs
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3340721

    • Patent number 3,340,721
    • Issue date Sep 12, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3332271

    • Patent number 3,332,271
    • Issue date Jul 25, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3171303

    • Patent number 3,171,303
    • Issue date Mar 2, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3139775

    • Patent number 3,139,775
    • Issue date Jul 7, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2958242

    • Patent number 2,958,242
    • Issue date Nov 1, 1960
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2912249

    • Patent number 2,912,249
    • Issue date Nov 10, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2911862

    • Patent number 2,911,862
    • Issue date Nov 10, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2798388

    • Patent number 2,798,388
    • Issue date Jul 9, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2699079

    • Patent number 2,699,079
    • Issue date Jan 11, 1955
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2428675

    • Patent number 2,428,675
    • Issue date Oct 7, 1947
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2428173

    • Patent number 2,428,173
    • Issue date Sep 30, 1947
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2425913

    • Patent number 2,425,913
    • Issue date Aug 19, 1947
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2364938

    • Patent number 2,364,938
    • Issue date Dec 12, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2357204

    • Patent number 2,357,204
    • Issue date Aug 29, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2010996

    • Patent number 2,010,996
    • Issue date Aug 13, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1809168

    • Patent number 1,809,168
    • Issue date Jun 9, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1761887

    • Patent number 1,761,887
    • Issue date Jun 3, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1761888

    • Patent number 1,761,888
    • Issue date Jun 3, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1197838

    • Patent number 1,197,838
    • Issue date Sep 12, 1916
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents