TREA

CHENG-YI MA

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  • NANTOU CITY, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Solenoid valve
    • Patent number 10,208,870
    • Issue date Feb 19, 2019
    • Hydrotek Corporation
    • Shu Huang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SOLENOID VALVE
    • Publication number 20240175514
    • Publication date May 30, 2024
    • HYDROTEK CORPORATION
    • Cheng-Yi Ma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SOLENOID VALVE
    • Publication number 20190049035
    • Publication date Feb 14, 2019
    • HYDROTEK CORPORATION
    • SHU HUANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...