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Yuan-Wen Yu

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  • Chung-Li, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Perfume bottle spray head assembly
    • Patent number 8,215,571
    • Issue date Jul 10, 2012
    • Ing Wen Precision Ent. Co., Ltd.
    • Yuan-Wen Yu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Perfume bottle sealing structure
    • Patent number 8,167,178
    • Issue date May 1, 2012
    • Ing Wen Precision Ent. Co., Ltd.
    • Yuan-Wen Yu
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Perfume bottle
    • Patent number D630520
    • Issue date Jan 11, 2011
    • Ing Wen Precision Ent. Co., Ltd.
    • Yuan-Wen Yu
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Leakproof perfume spray head structure
    • Patent number 7,559,441
    • Issue date Jul 14, 2009
    • Ing Wen Precision Ent. Co., Ltd.
    • Yuan-Wen Yu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Perfume spray head structure
    • Patent number 7,490,742
    • Issue date Feb 17, 2009
    • Ing Wen Precision Ent. Co., Ltd.
    • Yuan-Wen Yu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Spray head structure capable of preventing backflow of perfume liquid
    • Patent number 7,080,761
    • Issue date Jul 25, 2006
    • Ing Wen Precision Ent. Co., LTD
    • Yuan-Wen Yu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Leakproof perfume spray head
    • Patent number 7,080,760
    • Issue date Jul 25, 2006
    • Ing Wen Precision Ent. Co., Ltd.
    • Yuan-Wen Yu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Patents Applicationslast 30 patents

  • Information Patent Application

    Perfume bottle sealing structure
    • Publication number 20110253748
    • Publication date Oct 20, 2011
    • Yuan-Wen Yu
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    PERFUME BOTTLE SPRAY HEAD ASSEMBLY
    • Publication number 20110024525
    • Publication date Feb 3, 2011
    • ING WEN PRECISION ENT. CO., LTD.
    • Yuan-Wen Yu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Leakproof perfume spray head structure
    • Publication number 20080087692
    • Publication date Apr 17, 2008
    • Ing Wen Precision Ent. Co., Ltd.
    • Yuan-Wen Yu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Perfume spray head structure
    • Publication number 20080073378
    • Publication date Mar 27, 2008
    • Ing Wen Precision Ent. Co., Ltd.
    • Yuan-Wen Yu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    LEAKPROOF PERFUME SPRAY HEAD
    • Publication number 20060138172
    • Publication date Jun 29, 2006
    • Ing Wen Precision Ent. Co., Ltd.
    • Yuan-Wen Yu
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Used PCB milling cutter reclamation method
    • Publication number 20020178879
    • Publication date Dec 5, 2002
    • Yuan-Wen Yu
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC