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Larry J. BOHAYCHUK

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  • Ardrossan, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cage valve with flow trim for reduced port erosion
    • Patent number 10,012,325
    • Issue date Jul 3, 2018
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cage valve with instrumentation
    • Patent number 10,012,327
    • Issue date Jul 3, 2018
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotary stepping actuator for valve
    • Patent number 9,458,941
    • Issue date Oct 4, 2016
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cage valve with flow trim for reduced fracturing
    • Patent number 8,490,652
    • Issue date Jul 23, 2013
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cage valve with erosion control
    • Patent number 8,371,333
    • Issue date Feb 12, 2013
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reverse flow flow trim for choke valve
    • Patent number 7,699,075
    • Issue date Apr 20, 2010
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Choke valve flow trim for fracture prevention
    • Patent number 7,426,938
    • Issue date Sep 23, 2008
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Choke valve with temperature transmitter
    • Patent number 6,997,212
    • Issue date Feb 14, 2006
    • Master Flo Valve Inc.
    • Graham Ivan Kawulka
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Choke valve with pressure transmitters
    • Patent number 6,782,949
    • Issue date Aug 31, 2004
    • Master Flo Valve Inc.
    • Harry Richard Cove
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Choke valve
    • Patent number 6,536,473
    • Issue date Mar 25, 2003
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Choke valve for throttling fluid flow
    • Patent number 6,105,614
    • Issue date Aug 22, 2000
    • Masterflo Valve, Inc.
    • Larry J. Bohaychuk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Cage Valve with Flow Trim for Reduced Port Erosion
    • Publication number 20170102084
    • Publication date Apr 13, 2017
    • Master Flo Valve Inc.
    • Larry J. BOHAYCHUK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Cage Valve with Instrumentation
    • Publication number 20170051845
    • Publication date Feb 23, 2017
    • Master Flo Valve Inc.
    • Larry J. BOHAYCHUK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Rotary Stepping Actuator for Valve
    • Publication number 20150316169
    • Publication date Nov 5, 2015
    • Master Flo Valve Inc.
    • Larry J. BOHAYCHUK
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAGE VALVE WITH FLOW TRIM FOR REDUCED FRACTURING
    • Publication number 20110180167
    • Publication date Jul 28, 2011
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAGE VALVE WITH EROSION CONTROL
    • Publication number 20100051849
    • Publication date Mar 4, 2010
    • Master Flo Valve Inc.
    • Larry J. BOHAYCHUK
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Reverse Flow Flow Trim for Choke Valve
    • Publication number 20070017586
    • Publication date Jan 25, 2007
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Choke valve flow trim for fracture prevention
    • Publication number 20060163517
    • Publication date Jul 27, 2006
    • Master Flo Valve Inc.
    • Larry J. Bohaychuk
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Choke valve with temperature transmitter
    • Publication number 20050115619
    • Publication date Jun 2, 2005
    • Graham Ivan Kawulka
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Choke valve with pressure transmitters
    • Publication number 20030141072
    • Publication date Jul 31, 2003
    • Master Flo Valve Inc.
    • Harry Richard Cove
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Choke valve
    • Publication number 20030024580
    • Publication date Feb 6, 2003
    • Larry J. Bohaychuk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...