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David PERRIN

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  • Wadsworth, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Capacitor-circuit board interface for welding system components
    • Patent number 8,898,894
    • Issue date Dec 2, 2014
    • Lincoln Global, Inc.
    • George Koprivnak
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Capacitor-circuit board interface for welding system components
    • Patent number 8,604,355
    • Issue date Dec 10, 2013
    • Lincoln Global, Inc.
    • George Koprivnak
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power module cartridge
    • Patent number 8,530,789
    • Issue date Sep 10, 2013
    • Lincoln Global, Inc.
    • Craig L. Diekmann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Slideable welding power source housing assembly
    • Patent number 8,253,069
    • Issue date Aug 28, 2012
    • Lincoln Global, Inc.
    • Jeremie Buday
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electronic module with center mounting fasteners
    • Patent number 8,233,280
    • Issue date Jul 31, 2012
    • Lincoln Global, Inc.
    • George Koprivnak
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Wire drive for wire feeder and spool gun
    • Patent number 7,999,209
    • Issue date Aug 16, 2011
    • Lincoln Global, Inc.
    • Craig L. Diekmann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Plasma arc torch
    • Patent number 5,965,040
    • Issue date Oct 12, 1999
    • Lincoln Global, Inc.
    • Lifeng Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Plasma arc torch
    • Patent number 5,893,985
    • Issue date Apr 13, 1999
    • The Lincoln Electric Company
    • Lifeng Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents