TREA

Kao-San Chen

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  • Tainan City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible chair
    • Patent number 7,942,476
    • Issue date May 17, 2011
    • Kao-San Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Foldable chair frame
    • Patent number 6,488,331
    • Issue date Dec 3, 2002
    • Kao-San Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Foldable spade
    • Patent number 6,131,971
    • Issue date Oct 17, 2000
    • Kao-San Chen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Foldable chair
    • Patent number 6,082,813
    • Issue date Jul 4, 2000
    • Kao-San Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Foldable leg assembly
    • Patent number 6,073,894
    • Issue date Jun 13, 2000
    • Kao-San Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Roll-up table top assembly
    • Patent number 5,884,566
    • Issue date Mar 23, 1999
    • Kao-San Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Lantern
    • Patent number 5,722,763
    • Issue date Mar 3, 1998
    • Kao-San Chen
    • F21 - LIGHTING
  • Information Patent Grant

    Foldable leg assembly for a table
    • Patent number 5,645,259
    • Issue date Jul 8, 1997
    • Kao-San Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Structure of Pneumatic Actuator
    • Publication number 20240229965
    • Publication date Jul 11, 2024
    • Kao-Sung Chen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    APPARATUS AND USES THEREOF
    • Publication number 20190160286
    • Publication date May 30, 2019
    • National Cheng Kung University
    • Yen-Kuang YANG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    COLLAPSIBLE CHAIR
    • Publication number 20090230735
    • Publication date Sep 17, 2009
    • Kao-San Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Foldable chair frame
    • Publication number 20090174230
    • Publication date Jul 9, 2009
    • Kao-San Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Modification structure of multi-layer portable water bag
    • Publication number 20050178797
    • Publication date Aug 18, 2005
    • Kao-san Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Extensible leg frame
    • Publication number 20040051009
    • Publication date Mar 18, 2004
    • Kao-San Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Foldable chair frame
    • Publication number 20020024240
    • Publication date Feb 28, 2002
    • Kao-San Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...