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David W. Hines

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  • Port Colborne, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Skimmer, barge and methods for recovering and transferring heavy oi...
    • Patent number 8,580,123
    • Issue date Nov 12, 2013
    • Environment Recovery Equipment
    • David Hines
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Skimmer, barge and methods for recovering and transferring heavy oi...
    • Patent number 8,273,250
    • Issue date Sep 25, 2012
    • Environment Recovery Equipment
    • David Hines
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Skimmer
    • Patent number 6,328,888
    • Issue date Dec 11, 2001
    • Environment Recovery Equipment Inc.
    • David W. Hines
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Oil recovery apparatus
    • Patent number 5,743,694
    • Issue date Apr 28, 1998
    • Environment Recovery Equipment Inc.
    • David W. Hines
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Oil recovery apparatus
    • Patent number 5,399,054
    • Issue date Mar 21, 1995
    • Environmental Recovery Equipment Inc.
    • David W. Hines
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents