TREA

Gregory D. Simpson

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  • Deer Park, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chlorine dioxide generator
    • Patent number 6,171,558
    • Issue date Jan 9, 2001
    • Gregory D. Simpson
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Biocide treatment system and method
    • Patent number 5,611,920
    • Issue date Mar 18, 1997
    • Unichem International Inc.
    • Gregory D. Simpson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Biocide treatment system and method
    • Patent number 5,453,207
    • Issue date Sep 26, 1995
    • Gregory D. Simpson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE