TREA

Daniel W. Simpson

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  • Fairfield, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve mechanism for multiple distributor fluid treatment system
    • Patent number 4,416,773
    • Issue date Nov 22, 1983
    • Water Refining Company, Inc.
    • Stephen H. Davis
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Mixed bed deionizer
    • Patent number 4,329,225
    • Issue date May 11, 1982
    • Water Refining Company, Inc.
    • Stephen H. Davis
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL