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Carl Keith Smith

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  • Calgary, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for making and using a drilling fluid
    • Patent number 11,591,506
    • Issue date Feb 28, 2023
    • Canadian Energy Services L.P.
    • Stefan Alexandru Stoian
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Drill fluid and method for tunneling
    • Patent number 11,155,742
    • Issue date Oct 26, 2021
    • Canadian Energy Services L.P.
    • Carl Keith Smith
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for making and using a drilling fluid
    • Patent number 10,876,027
    • Issue date Dec 29, 2020
    • Canadian Energy Services L.P.
    • Stefan Alexandru Stoian
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Drilling fluid and method for drilling in coal-containing formations
    • Patent number 10,738,229
    • Issue date Aug 11, 2020
    • Canadian Energy Services L.P.
    • Stefan Alexandru Stoian
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Drilling fluid
    • Patent number 10,280,353
    • Issue date May 7, 2019
    • Canadian Energy Services L.P.
    • Carl Keith Smith
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Drilling fluid and method for drilling a wellbore
    • Patent number 10,202,532
    • Issue date Feb 12, 2019
    • Canadian Energy Services L.P.
    • Carl Keith Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drilling fluid and method for drilling in coal-containing formations
    • Patent number 9,969,920
    • Issue date May 15, 2018
    • Canadian Energy Services L.P.
    • Carl Keith Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drilling fluid and method for drilling in coal-containing formations
    • Patent number 9,850,416
    • Issue date Dec 26, 2017
    • Canadian Energy Services L.P.
    • Carl Keith Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drilling fluid and method for drilling a wellbore
    • Patent number 9,670,394
    • Issue date Jun 6, 2017
    • Canadian Energy Services L.P.
    • Carl Keith Smith
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Drilling fluid and methods
    • Patent number 8,703,658
    • Issue date Apr 22, 2014
    • Canadian Energy Services L.P.
    • Carl Keith Smith
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Drilling fluid and method for drilling in coal-containing formations
    • Patent number 8,387,723
    • Issue date Mar 5, 2013
    • Tech-Star Fluid Systems Inc.
    • Stefan Alexandru Stoian
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Drilling fluid and methods
    • Patent number 8,338,340
    • Issue date Dec 25, 2012
    • Tech-Star Fluid Systems Inc.
    • Stefan Alexandru Stoian
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Drilling fluid and methods
    • Patent number 7,989,399
    • Issue date Aug 2, 2011
    • Techstar Energy Services Inc.
    • Stefan Alexandru Stoian
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR MAKING AND USING A DRILLING FLUID
    • Publication number 20210071058
    • Publication date Mar 11, 2021
    • CANADIAN ENERGY SERVICES L.P.
    • STEFAN ALEXANDRU STOIAN
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILL FLUID AND METHOD FOR TUNNELING
    • Publication number 20190316019
    • Publication date Oct 17, 2019
    • Canadian Energy Services L.P.
    • Carl Keith SMITH
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID
    • Publication number 20180223154
    • Publication date Aug 9, 2018
    • CANADIAN ENERGY SERVICES L.P.
    • CARL KEITH SMITH
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHOD FOR DRILLING A WELLBORE
    • Publication number 20170174973
    • Publication date Jun 22, 2017
    • CANADIAN ENERGY SERVICES L.P.
    • CARL KEITH SMITH
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS
    • Publication number 20170058178
    • Publication date Mar 2, 2017
    • CANADIAN ENERGY SERVICES L.P.
    • CARL KEITH SMITH
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    METHOD FOR MAKING AND USING A DRILLING FLUID
    • Publication number 20170058179
    • Publication date Mar 2, 2017
    • CANADIAN ENERGY SERVICES L.P.
    • STEFAN ALEXANDRU STOIAN
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHODS
    • Publication number 20160024368
    • Publication date Jan 28, 2016
    • CARL KEITH SMITH
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHODS
    • Publication number 20140213489
    • Publication date Jul 31, 2014
    • CARL KEITH SMITH
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS
    • Publication number 20130225457
    • Publication date Aug 29, 2013
    • TECH-STAR FLUID SYSTEMS INC.
    • STEFAN ALEXANDRU STOIAN
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS
    • Publication number 20130206479
    • Publication date Aug 15, 2013
    • TECH-STAR FLUID SYSTEMS INC.
    • Carl Keith Smith
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHOD FOR DRILLING A WELLBORE
    • Publication number 20130126243
    • Publication date May 23, 2013
    • TECH-STAR FLUID SYSTEMS INC.
    • CARL KEITH SMITH
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHODS
    • Publication number 20110306524
    • Publication date Dec 15, 2011
    • TECHSTAR ENERGY SERVICES INC.
    • Carl Keith Smith
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHODS
    • Publication number 20110281777
    • Publication date Nov 17, 2011
    • TECHSTAR ENERGY SERVICES
    • STEFAN ALEXANDRU STOIAN
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS
    • Publication number 20100089650
    • Publication date Apr 15, 2010
    • TECHSTAR ENERGY SERVICES INC.
    • Stefan Alexandru Stoian
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DRILLING FLUID AND METHODS
    • Publication number 20080217064
    • Publication date Sep 11, 2008
    • TECHSTAR ENERGY SERVICES
    • STEFAN ALEXANDRU STOIAN
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...