TREA

Charles Frederick MCKAY

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  • Edmonton, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipeline weighting device and method
    • Patent number 7,862,256
    • Issue date Jan 4, 2011
    • CRC-Evans Canada Ltd.
    • Ian Sprague
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Pipe Coating Apparatus and Method
    • Publication number 20120186732
    • Publication date Jul 26, 2012
    • CRC-EVANS CANADA LTD.
    • Ian Sprague
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    Pipeline Weighting Device and Method
    • Publication number 20120003049
    • Publication date Jan 5, 2012
    • CRC-EVANS CANADA LTD.
    • Ian SPRAGUE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pipeline Weighting Device and Method
    • Publication number 20090047073
    • Publication date Feb 19, 2009
    • CRC-EVANS CANADA LTD.
    • Ian SPRAGUE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...