TREA

Kenneth R. Pierce

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  • Lake Zurich, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Weld sample cutter
    • Patent number 6,244,147
    • Issue date Jun 12, 2001
    • The E. H. Wachs Company
    • Kenneth R. Pierce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Squaring machine
    • Patent number 6,112,627
    • Issue date Sep 5, 2000
    • The E. H. Wachs Company
    • Kenneth R. Pierce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tube saw
    • Patent number 5,933,963
    • Issue date Aug 10, 1999
    • The E. H. Wachs Company
    • Kenneth R. Pierce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Collet
    • Patent number 5,794,949
    • Issue date Aug 18, 1998
    • The E. H. Wachs Company
    • Kenneth R. Pierce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Weld cleaning machine
    • Patent number 5,720,070
    • Issue date Feb 24, 1998
    • Commonwealth Edison Company
    • Aaron D. Kelley
    • B08 - CLEANING
  • Information Patent Grant

    Squaring machine
    • Patent number 5,692,422
    • Issue date Dec 2, 1997
    • The E. H. Wachs Company
    • Kenneth R. Pierce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tube squaring machine
    • Patent number 5,619,893
    • Issue date Apr 15, 1997
    • The E. H. Wachs Company
    • Kenneth R. Pierce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Squaring machine for various sized tubes
    • Patent number 5,605,084
    • Issue date Feb 25, 1997
    • The E. H. Wachs Company
    • Kenneth R. Pierce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR