TREA

Michael H. Lovell

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  • Leonard, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Internal mandrel and method
    • Patent number 8,631,671
    • Issue date Jan 21, 2014
    • GM Global Technology Operations LLC
    • Paul E. Krajewski
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Electromagnetic shape calibration of tubes
    • Patent number 8,099,989
    • Issue date Jan 24, 2012
    • GM Global Technology Operations LLC
    • John R. Bradley
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Quick change bend tooling bolster
    • Patent number 7,360,385
    • Issue date Apr 22, 2008
    • GM Global Technology Operations, Inc.
    • Douglas T. Wohlenhaus
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for piercing two aligned holes in a hydroformed tube
    • Patent number 5,666,840
    • Issue date Sep 16, 1997
    • General Motors Corporation
    • Sanjay Mahasukhlal Shah
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for pinch free tube forming
    • Patent number 5,339,667
    • Issue date Aug 23, 1994
    • General Motors Corporation
    • Sanjay M. Shah
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    External seal device for tube hydroforming
    • Patent number 5,321,964
    • Issue date Jun 21, 1994
    • General Motors Corporation
    • Bruce S. Shimanovski
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    INTERNAL MANDREL AND METHOD
    • Publication number 20120260709
    • Publication date Oct 18, 2012
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Paul E. Krajewski
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Electromagnetic shape calibration of tubes
    • Publication number 20100024503
    • Publication date Feb 4, 2010
    • GM Global Technology Operations, Inc.
    • John R. Bradley
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...