TREA

Leo F. Ryan

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  • Sommerville, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Backwash method and apparatus
    • Patent number 5,017,241
    • Issue date May 21, 1991
    • The Graver Company
    • Leo Ryan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Backwash method and apparatus
    • Patent number 4,405,466
    • Issue date Sep 20, 1983
    • Ecodyne Corporation
    • Joseph F. Giannelli
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid filtration method and apparatus
    • Patent number 4,267,039
    • Issue date May 12, 1981
    • Ecodyne Corporation
    • Leo F. Ryan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Liquid treatment apparatus
    • Patent number 4,210,537
    • Issue date Jul 1, 1980
    • Ecodyne Corporation
    • Donald J. Butterworth
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Regeneration of anion exchange resins
    • Patent number RE29680
    • Issue date Jun 27, 1978
    • Ecodyne Corp.
    • Eli Salem
    • 260 - Chemistry of carbon compounds