TREA

Keith David FARQUHARSON

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  • Edmonton, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and system for fluidly connecting fracturing manifold and fr...
    • Patent number 11,879,582
    • Issue date Jan 23, 2024
    • Stream-Flo Industries Ltd.
    • Keith David Farquharson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Expanding gate valve
    • Patent number 11,047,486
    • Issue date Jun 29, 2021
    • Stream-Flo Industries Ltd.
    • Keith David Farquharson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball injector for frac tree
    • Patent number 10,731,436
    • Issue date Aug 4, 2020
    • Stream-Flo Industries Ltd.
    • Gregory Wayne Allen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Ball injector for frac tree
    • Patent number 10,161,218
    • Issue date Dec 25, 2018
    • Stream-Flo Industries Ltd.
    • Gregory Wayne Allen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Blowout preventer and rams
    • Patent number 9,243,469
    • Issue date Jan 26, 2016
    • Stream-Flo Industries Ltd.
    • Tianle Guo
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Blowout preventer and rams
    • Patent number 8,783,643
    • Issue date Jul 22, 2014
    • Stream-Flo Industries Ltd.
    • Tianle Guo
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Wellhead pipe coupling
    • Patent number 8,602,458
    • Issue date Dec 10, 2013
    • Stream-Flo Industries Ltd.
    • Doyle W. Rodgers
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wellhead connection
    • Patent number 8,403,057
    • Issue date Mar 26, 2013
    • Stream-Flo Industries Ltd.
    • Doyle W. Rodgers
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Metal seal for wellheads
    • Patent number 8,066,061
    • Issue date Nov 29, 2011
    • Stream-Flo Industries Ltd.
    • Keith D. Farquharson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Wellhead assembly for hydraulic pumping system
    • Patent number 7,610,956
    • Issue date Nov 3, 2009
    • Stream-Flo Industries Ltd.
    • Keith David Farquharson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Casing adapter tool for well servicing
    • Patent number 7,069,987
    • Issue date Jul 4, 2006
    • Stream-Flo Industries, Ltd.
    • Nathan Kwasniewski
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Y-body Christmas tree for use with coil tubing
    • Patent number 6,851,478
    • Issue date Feb 8, 2005
    • Stream-Flo Industries, Ltd.
    • Michael James Cornelssen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tubing hanger and adapter assembly
    • Patent number 6,688,386
    • Issue date Feb 10, 2004
    • Stream-Flo Industries Ltd.
    • Michael James Cornelssen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Wellhead stuffing box support assembly
    • Patent number 6,637,509
    • Issue date Oct 28, 2003
    • Stream-Flo Industries Ltd.
    • Keith D. Farquharson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Wellhead production pumping tree
    • Patent number 6,457,530
    • Issue date Oct 1, 2002
    • Stream-Flo Industries, Ltd.
    • Tony M. Lam
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic blowout preventer assembly for production wellhead
    • Patent number 6,260,817
    • Issue date Jul 17, 2001
    • Stream-Flo Industries, Ltd.
    • Tony M. Lam
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Composite pumping tree with integral shut-off valve
    • Patent number 6,176,466
    • Issue date Jan 23, 2001
    • Steam-Flo Industries, Ltd.
    • Tony M. Lam
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Piston-type check valve with diffuser
    • Patent number 5,921,276
    • Issue date Jul 13, 1999
    • Stream-Flo Industries, Ltd.
    • Tony M. Lam
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wellhead production blowout preventer ram
    • Patent number 5,765,813
    • Issue date Jun 16, 1998
    • Stream-Flo Industries, Ltd.
    • Tony M. Lam
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Integral wellhead assembly for pumping wells
    • Patent number 5,743,332
    • Issue date Apr 28, 1998
    • Stream-Flo Industries Ltd.
    • Tony M. Lam
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Wellhead System, Assembly and Method for Monitoring Landing of a We...
    • Publication number 20240068360
    • Publication date Feb 29, 2024
    • Stream-Flo Industries Ltd.
    • Keith David FARQUHARSON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Method and System for Fluidly Connecting Fracturing Manifold and Fr...
    • Publication number 20210148500
    • Publication date May 20, 2021
    • Stream-Flo Industries Ltd.
    • Keith David FARQUHARSON
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball Injector for Frac Tree
    • Publication number 20190085657
    • Publication date Mar 21, 2019
    • Stream-Flo Industries Ltd.
    • Gregory Wayne ALLEN
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Expanding Gate Valve
    • Publication number 20180238456
    • Publication date Aug 23, 2018
    • Stream-Flo Industries Ltd.
    • Keith David FARQUHARSON
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball Injector For Frac Tree
    • Publication number 20170022777
    • Publication date Jan 26, 2017
    • Stream-Flo Industries Ltd.
    • Gregory Wayne ALLEN
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Blowout Preventer and Rams
    • Publication number 20140299797
    • Publication date Oct 9, 2014
    • Stream-Flo Industries Ltd.
    • Tianle GUO
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BLOWOUT PREVENTER AND RAMS
    • Publication number 20130126763
    • Publication date May 23, 2013
    • Stream-Flo Industries Ltd.
    • Tianle GUO
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    WELLHEAD CONNECTION
    • Publication number 20110036589
    • Publication date Feb 17, 2011
    • Stream-Flo Industries Ltd.
    • Doyle W. RODGERS
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    WELLHEAD PIPE COUPLING
    • Publication number 20110037251
    • Publication date Feb 17, 2011
    • Stream-Flo Industries Ltd.
    • Doyle W. RODGERS
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    METAL SEAL FOR WELLHEADS
    • Publication number 20090266558
    • Publication date Oct 29, 2009
    • Keith D. Farquharson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Casing adapter tool for well servicing
    • Publication number 20040173348
    • Publication date Sep 9, 2004
    • Stream-Flo Industries Ltd.
    • Nathan Kwasniewski
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Y-body Christmas tree for use with coil tubing
    • Publication number 20040154790
    • Publication date Aug 12, 2004
    • Michael James Cornelssen
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Tubing hanger and adapter assembly
    • Publication number 20030136556
    • Publication date Jul 24, 2003
    • Michael James Cornelssen
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Wellhead stuffing box support assembly
    • Publication number 20030127220
    • Publication date Jul 10, 2003
    • Keith D. Farquharson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    WELLHEAD PRODUCTION PUMPING TREE
    • Publication number 20020134548
    • Publication date Sep 26, 2002
    • Tony M. Lam
    • E21 - EARTH DRILLING MINING