TREA

Chin-Yuan CHENG

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  • Shulin City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lighting device
    • Patent number 8,403,540
    • Issue date Mar 26, 2013
    • KWO GER Metal Technology, Inc.
    • Chin-Yuan Cheng
    • F21 - LIGHTING
  • Information Patent Grant

    Front wheel for a handcart
    • Patent number 5,669,466
    • Issue date Sep 23, 1997
    • Chin-chang Cheng
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Setting device for a joint
    • Patent number 5,624,199
    • Issue date Apr 29, 1997
    • Chin-chang Cheng
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Positioning device of retractable bars of a trolley
    • Patent number 5,595,092
    • Issue date Jan 21, 1997
    • Chin-Chang Cheng
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Folding chair
    • Patent number 5,584,529
    • Issue date Dec 17, 1996
    • Chin-chang Cheng
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Trolley with retractable wheels
    • Patent number 5,505,471
    • Issue date Apr 9, 1996
    • Chin-Chang Cheng
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Wheel shaft mounting assembly for a handcart
    • Patent number 5,494,341
    • Issue date Feb 27, 1996
    • Chin-Chang Cheng
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Control device for folding and expanding a baggage cart
    • Patent number 5,490,688
    • Issue date Feb 13, 1996
    • Chin-Chang Cheng
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHTING DEVICE
    • Publication number 20110080743
    • Publication date Apr 7, 2011
    • Chin-Yuan CHENG
    • F21 - LIGHTING
  • Information Patent Application

    LED DEVICE
    • Publication number 20110031518
    • Publication date Feb 10, 2011
    • Chin-Yuan CHENG
    • G02 - OPTICS