TREA

Chi-Chuan CHEN

Follow

Person

  • Lukang Township, TW
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Two-way flow control valve
    • Patent number 10,359,787
    • Issue date Jul 23, 2019
    • Chi-Fu Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow control valve
    • Patent number 9,777,857
    • Issue date Oct 3, 2017
    • Chi-Fu Chen
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Locking and unlocking nut structure
    • Patent number 8,801,350
    • Issue date Aug 12, 2014
    • I-Fu Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Locking and unlocking nut structure
    • Patent number 8,727,687
    • Issue date May 20, 2014
    • I-Fu Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents