TREA

Hugh D. Nelson

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  • Sydney, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Well packer
    • Patent number 4,379,561
    • Issue date Apr 12, 1983
    • Mono Pumps Limited
    • Hugh D. Nelson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bore hole pumps
    • Patent number 4,280,793
    • Issue date Jul 28, 1981
    • Mono Pumps Limited
    • Hugh D. Nelson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...