TREA

Stefan Alexandru Stoian

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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

    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 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

    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 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 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...