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  • CPC
  • B21K1/68
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fastener manufacturing assembly and method

    • Patent number 7,975,522
    • Issue date Jul 12, 2011
    • Whitesell International Corporation
    • Richard P. Ward
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for the production of hollow elements, hollow element, assem...

    • Patent number 7,677,074
    • Issue date Mar 16, 2010
    • Profil Verbindungstechnik GmbH & Co. KG
    • Jiri Babej
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing hollow body elements, section for use in th...

    • Patent number 7,387,575
    • Issue date Jun 17, 2008
    • Profil Verbindungstechnik GmbH & Co., KG
    • Jiri Babej
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Methods for the cold extrusion of metallic elements with dead or th...

    • Patent number 7,347,075
    • Issue date Mar 25, 2008
    • Amafa Service S.R.L.
    • Alessandro Vescovini
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for the manufacture of hollow body elements, hollow body ele...

    • Patent number 7,314,417
    • Issue date Jan 1, 2008
    • Profil Verbindungstechnik GmbH & Co. KG
    • Jiri Babej
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing hollow bodies, profile for use in said method,...

    • Patent number 7,090,451
    • Issue date Aug 15, 2006
    • Profil Verbindungstechnik GmbH & Co. KG
    • Jiri Babej
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of preparing ultra-fine grain metallic articles and metallic...

    • Patent number 7,077,755
    • Issue date Jul 18, 2006
    • The Boeing Company
    • Steven G. Keener
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of preparing ultra-fine grain metallic articles and metallic...

    • Patent number 6,912,885
    • Issue date Jul 5, 2005
    • The Boeing Company
    • Steven G. Keener
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing cold-forged wing nuts

    • Patent number 6,893,354
    • Issue date May 17, 2005
    • Wu Feng-Long
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for forming hollow articles

    • Patent number 5,170,655
    • Issue date Dec 15, 1992
    • San Shine Hardware Works Co., Ltd.
    • Yuan-Ho Lee
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing an ignition file for a lighter

    • Patent number 4,702,152
    • Issue date Oct 27, 1987
    • Yushin Yoneda
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Nut forming apparatus

    • Patent number 4,574,609
    • Issue date Mar 11, 1986
    • Microdot Inc.
    • Imre Berecz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3456474

    • Patent number 3,456,474
    • Issue date Jul 22, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3267500

    • Patent number 3,267,500
    • Issue date Aug 23, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3245098

    • Patent number 3,245,098
    • Issue date Apr 12, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2151258

    • Patent number 2,151,258
    • Issue date Mar 21, 1939
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2087053

    • Patent number 2,087,053
    • Issue date Jul 13, 1937
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2077519

    • Patent number 2,077,519
    • Issue date Apr 20, 1937
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2046075

    • Patent number 2,046,075
    • Issue date Jun 30, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2022076

    • Patent number 2,022,076
    • Issue date Nov 26, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2002671

    • Patent number 2,002,671
    • Issue date May 28, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1982054

    • Patent number 1,982,054
    • Issue date Nov 27, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1929164

    • Patent number 1,929,164
    • Issue date Oct 3, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1848835

    • Patent number 1,848,835
    • Issue date Mar 8, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1773836

    • Patent number 1,773,836
    • Issue date Aug 26, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1758990

    • Patent number 1,758,990
    • Issue date May 20, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1691879

    • Patent number 1,691,879
    • Issue date Nov 13, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1473777

    • Patent number 1,473,777
    • Issue date Nov 13, 1923
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1342676

    • Patent number 1,342,676
    • Issue date Jun 8, 1920
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents