Paul Dufilho

Person

  • Willis, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Vector maximizing screen

    • Patent number 10,556,196
    • Issue date Feb 11, 2020
    • National-Oilwell Varco, L.P.
    • Thomas Robert Larson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Vector maximizing screen

    • Patent number 9,643,111
    • Issue date May 9, 2017
    • National-Oilwell Varco, L.P.
    • Thomas Robert Larson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Magnetic vibratory screen clamping

    • Patent number 8,695,805
    • Issue date Apr 15, 2014
    • National-Oilwell Varco, L.P.
    • Paul Dufilho
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Vibratory separators and screens

    • Patent number 8,622,220
    • Issue date Jan 7, 2014
    • Varco I/P
    • David Lee Schulte
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Magnetic vibratory screen clamping

    • Patent number 8,312,995
    • Issue date Nov 20, 2012
    • National-Oilwell Varco, L.P.
    • Paul Dufilho
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Patents Applicationslast 30 patents

  • Information Patent Application

    VECTOR MAXIMIZING SCREEN

    • Publication number 20170209820
    • Publication date Jul 27, 2017
    • National-Oilwell Varco, L.P.
    • Thomas Robert Larson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    VECTOR MAXIMIZING SCREEN

    • Publication number 20140251894
    • Publication date Sep 11, 2014
    • National-Oilwell Varco, L.P.
    • Thomas Robert Larson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    MAGNETIC VIBRATORY SCREEN CLAMPING

    • Publication number 20130043168
    • Publication date Feb 21, 2013
    • National-Oilwell Varco, L.P.
    • Paul Dufilho
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Magnetic Vibratory Screen Clamping

    • Publication number 20100235002
    • Publication date Sep 16, 2010
    • National Oilwell Varco, L.P.
    • Paul Dufilho
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Shale shaker with vertical screens

    • Publication number 20100181265
    • Publication date Jul 22, 2010
    • David L. Schulte, JR.
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Screen assemblies for shale shakers

    • Publication number 20090145816
    • Publication date Jun 11, 2009
    • Paul William Dufilho
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Vibratory separator screens & seals

    • Publication number 20090145836
    • Publication date Jun 11, 2009
    • Paul William Dufilho
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Vibratory separators and screens

    • Publication number 20090057205
    • Publication date Mar 5, 2009
    • David Lee Schulte, JR.
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING