TREA

Edward L. Heimark

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  • King of Prussia, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Surface aerator impeller
    • Patent number 4,334,826
    • Issue date Jun 15, 1982
    • John R. Connolly
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Surface aerator impeller
    • Patent number 4,249,863
    • Issue date Feb 10, 1981
    • Philadelphia Gear Corporation
    • John R. Connolly
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Surface aerator impeller
    • Patent number 4,163,631
    • Issue date Aug 7, 1979
    • Philadelphia Gear Corporation
    • John R. Connolly
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Gear pump assembly
    • Patent number 4,068,740
    • Issue date Jan 17, 1978
    • Philadelphia Gear Corporation
    • Jerome B. Quinn
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES