TREA

Horace J. Maxwell

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  • Langhorne, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic recirculation valve
    • Patent number 5,549,131
    • Issue date Aug 27, 1996
    • Keystone International Holdings Corp.
    • Horace J. Maxwell
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Automatic recirculation valve
    • Patent number 5,333,638
    • Issue date Aug 2, 1994
    • Keystone International Holdings Corp.
    • Horace J. Maxwell
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Low pressure recirculation valve
    • Patent number 4,941,502
    • Issue date Jul 17, 1990
    • Keystone International Holdings Corp.
    • George Loos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...