TREA

William J. Humphrey

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  • Corpus Christi, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anaerobic treatment
    • Patent number 4,415,453
    • Issue date Nov 15, 1983
    • Celanese Corporation
    • Enrique R. Witt
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Anaerobic treatment
    • Patent number 4,366,059
    • Issue date Dec 28, 1982
    • Celanese Corporation
    • Enrique R. Witt
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Anaerobic treatment
    • Patent number 4,315,823
    • Issue date Feb 16, 1982
    • Celanese Corporation
    • Enrique R. Witt
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE