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Alexandra Vasil'evna Rogacheva

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  • Southampton, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combined power source for long term operation of downhole gauges
    • Patent number 11,352,875
    • Issue date Jun 7, 2022
    • Expro North Sea Limited
    • Samuel Keith Taylor
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Communication systems and methods
    • Patent number 11,162,354
    • Issue date Nov 2, 2021
    • Expro North Sea Limited
    • Alexandra Vasil'evna Rogacheva
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well monitoring
    • Patent number 10,704,378
    • Issue date Jul 7, 2020
    • Expro North Sea Limited
    • Alexandra Vasil'evna Rogacheva
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Communication systems and methods
    • Patent number 10,683,748
    • Issue date Jun 16, 2020
    • Expro Meters, Inc.
    • Alexandra Vasil'evna Rogacheva
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole communication
    • Patent number 10,619,476
    • Issue date Apr 14, 2020
    • Expro North Sea Limited
    • Steven Martin Hudson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole power generation
    • Patent number 9,546,539
    • Issue date Jan 17, 2017
    • Expro North Sea Limited
    • Steven Martin Hudson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well monitoring
    • Patent number 9,371,727
    • Issue date Jun 21, 2016
    • Expro North Sea Limited
    • Steven Martin Hudson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Control of sub surface safety valves
    • Patent number 9,022,102
    • Issue date May 5, 2015
    • Expro North Sea Limited
    • Steven Martin Hudson
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTROLLER FOR USE WITH A REMOTE DOWNHOLE TOOL
    • Publication number 20230220766
    • Publication date Jul 13, 2023
    • Expro North Sea Limited
    • David Pollock
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMMUNICATION SYSTEMS AND METHODS
    • Publication number 20210396131
    • Publication date Dec 23, 2021
    • EXPRO NORTH SEA LIMITED
    • Alexandra Vasil'evna Rogacheva
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMBINED POWER SOURCE FOR LONG TERM OPERATION OF DOWNHOLE GAUGES
    • Publication number 20200392837
    • Publication date Dec 17, 2020
    • Expro North Sea Limited
    • Samuel Keith Taylor
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    COMMUNICATION SYSTEMS AND METHODS
    • Publication number 20190284928
    • Publication date Sep 19, 2019
    • EXPRO NORTH SEA LIMITED
    • Alexandra Vasil'evna Rogacheva
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMMUNICATION SYSTEMS AND METHODS
    • Publication number 20190284929
    • Publication date Sep 19, 2019
    • EXPRO NORTH SEA LIMITED
    • Alexandra Vasil'evna Rogacheva
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    WELL MONITORING
    • Publication number 20160258278
    • Publication date Sep 8, 2016
    • Expro North Sea Limited
    • Alexandra Vasil'evna Rogacheva
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE COMMUNICATION
    • Publication number 20150267530
    • Publication date Sep 24, 2015
    • Expro North Sea Limited
    • Steven Martin Hudson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    WELL MONITORING
    • Publication number 20140002088
    • Publication date Jan 2, 2014
    • Expro North Sea Limited
    • Steven Martin Hudson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    IMPRESSED CURRENT CATHODIC PROTECTION
    • Publication number 20130292265
    • Publication date Nov 7, 2013
    • EXPRO NORTH SEA LIMITED
    • Alexandra Vasil'evna Rogacheva
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...