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James Linklater

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  • Banffshire, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Or relating to well abandonment and slot recovery
    • Patent number 11,946,330
    • Issue date Apr 2, 2024
    • ARDYNE HOLDINGS LIMITED
    • David Stewart
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well abandonment and slot recovery
    • Patent number 11,840,900
    • Issue date Dec 12, 2023
    • ARDYNE HOLDINGS LIMITED
    • Hans Christian Karlsen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well abandonment and slot recovery
    • Patent number 11,840,899
    • Issue date Dec 12, 2023
    • ARDYNE HOLDINGS LIMITED
    • Hans Christian Karlsen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well abandonment and slot recovery
    • Patent number 11,613,953
    • Issue date Mar 28, 2023
    • ARDYNE HOLDINGS LIMITED
    • James Linklater
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Or relating to well abandonment and slot recovery
    • Patent number 11,466,530
    • Issue date Oct 11, 2022
    • ARDYNE HOLDING LIMITED
    • Michael Wardley
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well abandonment and slot recovery
    • Patent number 11,230,899
    • Issue date Jan 25, 2022
    • ARDYNE HOLDINGS LIMITED
    • David Stewart
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well abandonment
    • Patent number 11,156,049
    • Issue date Oct 26, 2021
    • ARDYNE HOLDINGS LIMITED
    • George Telfer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole test tool and method of use
    • Patent number 11,078,754
    • Issue date Aug 3, 2021
    • ARDYNE HOLDINGS LIMITED
    • George Telfer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole valve apparatus
    • Patent number 10,597,974
    • Issue date Mar 24, 2020
    • M I Drilling Fluids UK Ltd.
    • James Edward Atkins
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fish through filter device
    • Patent number 10,590,735
    • Issue date Mar 17, 2020
    • M I Drilling Fluids UK Ltd.
    • James Linklater
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    System and method for flow diversion
    • Patent number 10,487,603
    • Issue date Nov 26, 2019
    • M I Drilling Fluids UK Ltd.
    • Daniel Manwill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus and method for controlling a downhole tool
    • Patent number 10,352,129
    • Issue date Jul 16, 2019
    • M-I Drilling Fluids U.K. Limited
    • James Linklater
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tool assembly apparatus and method
    • Patent number 9,752,393
    • Issue date Sep 5, 2017
    • M I Drilling Fluids UK Ltd.
    • James Linklater
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid displacement tool and method
    • Patent number 9,488,018
    • Issue date Nov 8, 2016
    • M I Drilling Fluids UK Ltd.
    • James Linklater
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool and method
    • Patent number 9,279,305
    • Issue date Mar 8, 2016
    • M-I Drilling Fluids U.K. Limited
    • James Linklater
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool and method
    • Patent number 9,260,941
    • Issue date Feb 16, 2016
    • M-I Drilling Fluids U.K. Limited
    • James Linklater
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool
    • Patent number 8,689,877
    • Issue date Apr 8, 2014
    • Specialised Petroleum Services Group Limited
    • George Telfer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Work string mounted cleaning tool and assembly method
    • Patent number 8,684,074
    • Issue date Apr 1, 2014
    • Specialized Petroleum Services Group Limited
    • James Edward Atkins
    • B08 - CLEANING

Patents Applicationslast 30 patents