TREA

Robert F. Benschoter

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  • Portage, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pump with improved seal for filtration systems
    • Patent number 6,050,788
    • Issue date Apr 18, 2000
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Disc filter assembly for machine tool coolant
    • Patent number 5,820,756
    • Issue date Oct 13, 1998
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Couplings for joining shafts
    • Patent number 5,655,849
    • Issue date Aug 12, 1997
    • Henry Filters Corp.
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Immersible filter drum unit and method for assembling thereof
    • Patent number 5,637,213
    • Issue date Jun 10, 1997
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pump for filtration systems
    • Patent number 5,503,520
    • Issue date Apr 2, 1996
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Trough, manufacturing process, and apparatus
    • Patent number 4,467,633
    • Issue date Aug 28, 1984
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Trough manufacturing process
    • Patent number 4,420,868
    • Issue date Dec 20, 1983
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR