TREA

Richard M. Halen

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  • Pittsburgh, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Preformed transition pipe coupling
    • Patent number 5,842,726
    • Issue date Dec 1, 1998
    • Smith-Blair, Inc.
    • Richard M. Halen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe coupling with spring off-set
    • Patent number 5,069,490
    • Issue date Dec 3, 1991
    • Coupling Systems, Incorporated
    • Richard M. Halen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flange adapters
    • Patent number 4,610,471
    • Issue date Sep 9, 1986
    • Coupling Systems, Inc.
    • Richard M. Halen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...