TREA

Robert M. Donaldson

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  • Newport News, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe transfer system
    • Patent number 4,347,029
    • Issue date Aug 31, 1982
    • Deepsea Ventures, Inc.
    • John P. Latimer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Dredging apparatus including suction nozzles
    • Patent number 4,346,937
    • Issue date Aug 31, 1982
    • Deepsea Ventures, Inc.
    • John P. Latimer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Suction nozzle dredge head
    • Patent number 4,178,704
    • Issue date Dec 18, 1979
    • Deepsea Ventures, Inc.
    • John P. Latimer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Water flow-deflecting shield for dredge suction nozzle
    • Patent number 4,171,581
    • Issue date Oct 23, 1979
    • Deepsea Ventures, Inc.
    • Robert M. Donaldson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING