TREA

George V. Crawford

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  • Toronto, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wastewater treatment system
    • Patent number 7,435,340
    • Issue date Oct 14, 2008
    • CH2M Hill, Inc.
    • Bruce R. Johnson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method of treating wastewater
    • Patent number 7,279,102
    • Issue date Oct 9, 2007
    • CH2M Hill, Inc.
    • Bruce R. Johnson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Hybrid high rate anaerobic treatment apparatus
    • Patent number 4,780,198
    • Issue date Oct 25, 1988
    • Gore & Storrie Ltd.
    • George V. Crawford
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Hybrid high rate anaerobic treatment process
    • Patent number 4,676,906
    • Issue date Jun 30, 1987
    • Gore & Storrie Limited
    • George V. Crawford
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents