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Jen-Chieh Lee

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  • Taichung Hsien, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cold-hot water faucet
    • Patent number 6,935,368
    • Issue date Aug 30, 2005
    • Jen-Chieh Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fireproof structure of a ball valve
    • Patent number 6,499,720
    • Issue date Dec 31, 2002
    • Jen-Chieh Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve
    • Patent number 6,488,261
    • Issue date Dec 3, 2002
    • Jen-Chieh Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve
    • Patent number 6,302,373
    • Issue date Oct 16, 2001
    • Jen-Chieh Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spherical valve
    • Patent number 6,199,824
    • Issue date Mar 13, 2001
    • Jen-Chieh Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents