TREA

Louis H. Piper

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  • Richmond, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Module suspension apparatus
    • Patent number 5,564,765
    • Issue date Oct 15, 1996
    • Infilco Degremont, Inc.
    • Peter Schuerch
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Rigid filter elements, related apparatus and methods
    • Patent number 4,564,450
    • Issue date Jan 14, 1986
    • DeHydro Corporation
    • Louis H. Piper
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Open gravity backwash filter and method
    • Patent number 4,537,687
    • Issue date Aug 27, 1985
    • Infilco Degremont Inc.
    • Louis H. Piper
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter elements, apparatus and methods
    • Patent number 4,431,549
    • Issue date Feb 14, 1984
    • DeHydro Corporation
    • Edward J. Highstreet
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL