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Sean M. CHRISTIAN

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  • Sparrows Point, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Long-stroke pumping unit
    • Patent number 11,781,543
    • Issue date Oct 10, 2023
    • Weatherford Technology Holdings, LLC
    • Clark E. Robison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Long stroke pumping unit
    • Patent number 10,962,000
    • Issue date Mar 30, 2021
    • Weatherford Technology Holdings, LLC
    • Clark E. Robison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Direct drive pumping unit
    • Patent number 10,890,175
    • Issue date Jan 12, 2021
    • Weatherford Technology Holdings, LLC
    • Benson Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Long-stroke pumping unit
    • Patent number 10,844,852
    • Issue date Nov 24, 2020
    • Weatherford Technology Holdings, LLC
    • Clark E. Robison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Long stroke pumping unit
    • Patent number 10,400,761
    • Issue date Sep 3, 2019
    • Weatherford Technology Holdings, LLC
    • Clark E. Robison
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Long-stroke pumping unit
    • Patent number 10,196,883
    • Issue date Feb 5, 2019
    • WEATHERFORD TECHNOLOGY HOLDINGS, LLC
    • Clark E. Robison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Long-stroke pumping unit
    • Patent number 10,113,544
    • Issue date Oct 30, 2018
    • Weatherford Technology Holdings, LLC
    • Clark E. Robison
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus and method for monitoring a fluid
    • Patent number 10,107,095
    • Issue date Oct 23, 2018
    • Weatherford Technology Holdings, LLC
    • Sean M. Christian
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    LONG-STROKE PUMPING UNIT
    • Publication number 20230407862
    • Publication date Dec 21, 2023
    • Weatherford Technology Holdings, LLC.
    • Clark E. ROBISON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    LONG-STROKE PUMPING UNIT
    • Publication number 20230265844
    • Publication date Aug 24, 2023
    • Weatherford Technology Holdings, LLC.
    • Clark E. ROBISON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    LONG-STROKE PUMPING UNIT
    • Publication number 20210254616
    • Publication date Aug 19, 2021
    • Weatherford Technology Holdings, LLC.
    • Clark E. ROBISON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    LONG STROKE PUMPING UNIT
    • Publication number 20190234401
    • Publication date Aug 1, 2019
    • Weatherford Technology Holdings, LLC.
    • Clark E. ROBISON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DIRECT DRIVE PUMPING UNIT
    • Publication number 20190234400
    • Publication date Aug 1, 2019
    • Weatherford Technology Holdings, LLC.
    • Benson THOMAS
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    LONG-STROKE PUMPING UNIT
    • Publication number 20190063426
    • Publication date Feb 28, 2019
    • Weatherford Technology Holdings, LLC.
    • Clark E. ROBISON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LONG-STROKE PUMPING UNIT
    • Publication number 20160245276
    • Publication date Aug 25, 2016
    • Weatherford Technology Holdings, LLC.
    • Clark E. ROBISON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LONG STROKE PUMPING UNIT
    • Publication number 20160222957
    • Publication date Aug 4, 2016
    • Weatherford Technology Holdings, LLC.
    • Clark E. ROBISON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LONG-STROKE PUMPING UNIT
    • Publication number 20160201664
    • Publication date Jul 14, 2016
    • Weatherford Technology Holdings, LLC.
    • Clark E. ROBISON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND APPARATUS FOR MONITORING A DOWNHOLE TOOL
    • Publication number 20150134253
    • Publication date May 14, 2015
    • WEATHERFORD/LAMB, INC.
    • Lev Ring
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    APPARATUS AND METHOD FOR MONITORING A FLUID
    • Publication number 20150130468
    • Publication date May 14, 2015
    • WEATHERFORD/LAMB, INC.
    • Sean M. CHRISTIAN
    • E21 - EARTH DRILLING MINING