TREA

Chao Hui-Chen

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pistol Nozzle
    • Patent number 6,286,767
    • Issue date Sep 11, 2001
    • Chao Hui-Chen
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Pipe connector
    • Patent number 6,241,291
    • Issue date Jun 5, 2001
    • Chao Hui-Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water sprinkler
    • Patent number D437387
    • Issue date Feb 6, 2001
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprinkler
    • Patent number D437388
    • Issue date Feb 6, 2001
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprinkler
    • Patent number D437386
    • Issue date Feb 6, 2001
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprinkler
    • Patent number D436650
    • Issue date Jan 23, 2001
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprinkler
    • Patent number D436651
    • Issue date Jan 23, 2001
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprinkler
    • Patent number D436652
    • Issue date Jan 23, 2001
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprinkler
    • Patent number D436649
    • Issue date Jan 23, 2001
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprinkler
    • Patent number D436396
    • Issue date Jan 16, 2001
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Flow control device of pistol nozzle
    • Patent number 6,173,911
    • Issue date Jan 16, 2001
    • Chao Hui-Chen
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Water sprinkler
    • Patent number D436395
    • Issue date Jan 16, 2001
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water ejecting structure of pistol nozzle
    • Patent number 6,164,566
    • Issue date Dec 26, 2000
    • Chao Hui-Chen
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Water control valve
    • Patent number D426616
    • Issue date Jun 13, 2000
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Connection member of water control valve
    • Patent number 6,058,975
    • Issue date May 9, 2000
    • Chao Hui-Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water sprayer
    • Patent number D415554
    • Issue date Oct 19, 1999
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprayer
    • Patent number D414244
    • Issue date Sep 21, 1999
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprayer
    • Patent number D413962
    • Issue date Sep 14, 1999
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprayer
    • Patent number D412356
    • Issue date Jul 27, 1999
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprayer
    • Patent number D410994
    • Issue date Jun 15, 1999
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sprayer with handle
    • Patent number D408889
    • Issue date Apr 27, 1999
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water sprayer
    • Patent number D408068
    • Issue date Apr 13, 1999
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Nozzle
    • Patent number D403407
    • Issue date Dec 29, 1998
    • Chao Hui-Chen
    • D23 - Environmental heating and cooling