TREA

Ronald A. Schuller

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  • Tulsa, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary pump
    • Patent number 6,033,196
    • Issue date Mar 7, 2000
    • Corken, Inc.
    • Ronald A. Schuller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal relief and bypass valve for pumps and piping systems
    • Patent number 5,921,274
    • Issue date Jul 13, 1999
    • Corken, Inc.
    • Ronald A. Schuller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump
    • Patent number 5,431,552
    • Issue date Jul 11, 1995
    • Corken, Inc.
    • James J. Davis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Manifold unit and assembly and fluid end assembly
    • Patent number 4,388,050
    • Issue date Jun 14, 1983
    • Geosource, Inc.
    • Ronald A. Schuller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Clapper seal for check valves
    • Patent number 4,090,529
    • Issue date May 23, 1978
    • Ronald A. Schuller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water gate valve
    • Patent number 4,033,550
    • Issue date Jul 5, 1977
    • Wheatley Company
    • Charles Wheatley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic damping means for hinged check valve
    • Patent number 3,942,551
    • Issue date Mar 9, 1976
    • Wheatley Company
    • Ronald A. Schuller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...