TREA

Rannie Dong

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  • Houston, TX, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRAULIC TRIGGER WITH LOCKED SPRING FORCE
    • Publication number 20230400118
    • Publication date Dec 14, 2023
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Bo Chen
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    HYDRAULIC TRIGGER WITH LOCKED SPRING FORCE
    • Publication number 20230213112
    • Publication date Jul 6, 2023
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Bo Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HYDRAULIC TRIGGER FOR ISOLATION VALVES
    • Publication number 20230041944
    • Publication date Feb 9, 2023
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Bo Chen
    • E21 - EARTH DRILLING MINING