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Graham Robertson

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  • Edinburgh, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    High capacity filtering screen
    • Patent number 10,758,848
    • Issue date Sep 1, 2020
    • M-I L.L.C.
    • Eric Cady
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Compound angle wedge screen clamp for vibratory separator
    • Patent number 10,441,906
    • Issue date Oct 15, 2019
    • M-I L.L.C.
    • Benjamin Lanning Holton
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of making a shaker screen
    • Patent number 10,272,473
    • Issue date Apr 30, 2019
    • M-I L.L.C.
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Sifting screen
    • Patent number 10,259,012
    • Issue date Apr 16, 2019
    • M-I L.L.C.
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    High capacity filtering screen
    • Patent number 10,137,389
    • Issue date Nov 27, 2018
    • M-I L.L.C.
    • Eric Cady
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Vibratory separator screen with multiple frame design
    • Patent number 10,086,408
    • Issue date Oct 2, 2018
    • M-I L.L.C.
    • Eric Cady
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Peripheral sealing system for pre-tensioned screens
    • Patent number RE45746
    • Issue date Oct 13, 2015
    • M-I L.L.C.
    • Brian S. Carr
    • 001 -
  • Information Patent Grant

    Injection molded grid for saving screen frames
    • Patent number 9,156,061
    • Issue date Oct 13, 2015
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Sealing system for pre-tensioned composite screens
    • Patent number 9,149,839
    • Issue date Oct 6, 2015
    • M-I L.L.C.
    • Brian S. Carr
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Plugs for repairing sifting or filtering screens
    • Patent number 9,073,268
    • Issue date Jul 7, 2015
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Sifting screen
    • Patent number 8,925,735
    • Issue date Jan 6, 2015
    • M-I L.L.C.
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Sifting screen
    • Patent number 8,789,707
    • Issue date Jul 29, 2014
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Sifting screen
    • Patent number 8,763,814
    • Issue date Jul 1, 2014
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Method of making a shaker screen
    • Patent number 8,597,559
    • Issue date Dec 3, 2013
    • M-I L.L.C.
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Vibratory separator screen attachment
    • Patent number 8,517,179
    • Issue date Aug 27, 2013
    • M-I L.L.C.
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Peripheral sealing system for pre-tensioned screens
    • Patent number 8,496,116
    • Issue date Jul 30, 2013
    • M-I L.L.C.
    • Brian S. Carr
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Injection molded grid for saving screen frames
    • Patent number 8,393,474
    • Issue date Mar 12, 2013
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Filtering screen
    • Patent number 8,246,771
    • Issue date Aug 21, 2012
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Filtering screen
    • Patent number 8,104,623
    • Issue date Jan 31, 2012
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Composite hookstrip screen
    • Patent number 7,992,719
    • Issue date Aug 9, 2011
    • M-I L.L.C.
    • Brian S. Carr
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Peripheral sealing system for pre-tensioned screens
    • Patent number 7,891,497
    • Issue date Feb 22, 2011
    • M-I L.L.C.
    • Brian S. Carr
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Sifting screens
    • Patent number 7,819,254
    • Issue date Oct 26, 2010
    • United Wire Limited
    • Graham Alexander Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Sifting screens
    • Patent number 7,810,649
    • Issue date Oct 12, 2010
    • United Wire Limited
    • Graham Alexander Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Sifting screen
    • Patent number 7,316,321
    • Issue date Jan 8, 2008
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Method and apparatus for repairing screens
    • Patent number 6,872,466
    • Issue date Mar 29, 2005
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Method and device for joining screens
    • Patent number 6,708,829
    • Issue date Mar 23, 2004
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Patents Applicationslast 30 patents

  • Information Patent Application

    HIGH CAPACITY FILTERING SCREEN
    • Publication number 20190091610
    • Publication date Mar 28, 2019
    • M-I L.L.C.
    • Eric Cady
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    COMPOUND ANGLE WEDGE SCREEN CLAMP FOR VIBRATORY SEPARATOR
    • Publication number 20140217002
    • Publication date Aug 7, 2014
    • UNITED WIRE LIMITED
    • Benjamin Lanning Holton
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    VIBRATORY SEPARATOR SCREEN WITH MULTIPLE FRAME DESIGN
    • Publication number 20140183143
    • Publication date Jul 3, 2014
    • United Wire, Ltd.
    • Eric Cady
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    METHOD OF MAKING A SHAKER SCREEN
    • Publication number 20140083913
    • Publication date Mar 27, 2014
    • UNITED WIRE LIMITED
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    INJECTION MOLDED GRID FOR SAVING SCREEN FRAMES
    • Publication number 20130199012
    • Publication date Aug 8, 2013
    • UNITED WIRE LIMITED
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Filtering Screen
    • Publication number 20120152452
    • Publication date Jun 21, 2012
    • UNITED WIRE LIMITED
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Sifting Screen
    • Publication number 20110284455
    • Publication date Nov 24, 2011
    • M-I L.L.C.
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Improved Sifting Screen
    • Publication number 20110266214
    • Publication date Nov 3, 2011
    • M-I L.L.C.
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    SIFTING SCREEN
    • Publication number 20110259814
    • Publication date Oct 27, 2011
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Sifting Screen
    • Publication number 20110155653
    • Publication date Jun 30, 2011
    • UNITED WIRE LIMITED
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    PERIPHERAL SEALING SYSTEM FOR PRE-TENSIONED SCREENS
    • Publication number 20110139688
    • Publication date Jun 16, 2011
    • M-I L.L.C.
    • Brian S. Carr
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    PREFERENTIAL BOW ON COMPOSITE SCREENS
    • Publication number 20100307962
    • Publication date Dec 9, 2010
    • M-I L.L.C.
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    VIBRATORY SEPARATOR SCREEN ATTACHMENT
    • Publication number 20100270215
    • Publication date Oct 28, 2010
    • M-I L.L.C.
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    PLUGS FOR REPAIRING SIFTING OR FILTERING SCREENS
    • Publication number 20100187773
    • Publication date Jul 29, 2010
    • United Wire Limited
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Sifting screens
    • Publication number 20090139909
    • Publication date Jun 4, 2009
    • Graham Alexander Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    INJECTION MOLDED GRID FOR SAVING SCREEN FRAMES
    • Publication number 20080078703
    • Publication date Apr 3, 2008
    • M-I L.L.C.
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    SEALING SYSTEM FOR PRE-TENSIONED COMPOSITE SCREENS
    • Publication number 20080078702
    • Publication date Apr 3, 2008
    • M-I L.L.C.
    • Brian S. Carr
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    PERIPHERAL SEALING SYSTEM FOR PRE-TENSIONED SCREENS
    • Publication number 20080078701
    • Publication date Apr 3, 2008
    • M-I L.L.C.
    • Brian S. Carr
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    COMPOSITE HOOKSTRIP SCREEN
    • Publication number 20080078704
    • Publication date Apr 3, 2008
    • M-I L.L.C.
    • Brian S. Carr
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Sifting Screens
    • Publication number 20070221547
    • Publication date Sep 27, 2007
    • Graham Alexander Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Woven wire cloth screen
    • Publication number 20050227556
    • Publication date Oct 13, 2005
    • Graham Alexander Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Sifting screen
    • Publication number 20050150821
    • Publication date Jul 14, 2005
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Method and device for joining screens
    • Publication number 20030042178
    • Publication date Mar 6, 2003
    • Graham Robertson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Method and apparatus for repairing screens
    • Publication number 20030042190
    • Publication date Mar 6, 2003
    • Graham Robertson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING