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Da Zhu

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  • Calgary, CA
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    NOZZLE FOR WATER CHOKING
    • Publication number 20220186590
    • Publication date Jun 16, 2022
    • RGL RESERVOIR MANAGEMENT INC.
    • Da Zhu
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    NOZZLE FOR GAS CHOKING
    • Publication number 20220025745
    • Publication date Jan 27, 2022
    • Da Zhu
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLOW CONTROL NOZZLE AND SYSTEM
    • Publication number 20210254435
    • Publication date Aug 19, 2021
    • RGL RESERVOIR MANAGEMENT INC.
    • Da Zhu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    NOZZLE FOR STEAM INJECTION AND STEAM CHOKING
    • Publication number 20210246764
    • Publication date Aug 12, 2021
    • Da Zhu
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PRODUCTION NOZZLE FOR SOLVENT-ASSISTED RECOVERY
    • Publication number 20210230979
    • Publication date Jul 29, 2021
    • RGL RESERVOIR MANAGEMENT INC.
    • Da Zhu
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLOW CONTROL DEVICE FOR PRODUCTION TUBING
    • Publication number 20210172299
    • Publication date Jun 10, 2021
    • RGL Reservoir Management Inc.
    • Brent D. Fermaniuk
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    NOZZLE FOR STEAM INJECTION
    • Publication number 20210115769
    • Publication date Apr 22, 2021
    • Da Zhu
    • F22 - STEAM GENERATION
  • Information Patent Application

    FLOW CONTROL NOZZLE AND APPARATUS COMPRISING A FLOW CONTROL NOZZLE
    • Publication number 20200256163
    • Publication date Aug 13, 2020
    • RGL RESERVOIR MANAGEMENT INC.
    • Brent D. Fermaniuk
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...