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Chang-Xun Chen

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  • Fuxing Township, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hardware merchandise carrying device
    • Patent number 11,685,584
    • Issue date Jun 27, 2023
    • Chang-Xun Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Bicycle frame with a hidden battery pack
    • Patent number 9,902,457
    • Issue date Feb 27, 2018
    • ASTRA ENGINEERING CO., LTD.
    • Samuel Hu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Quick-removal socket tool
    • Patent number 9,561,581
    • Issue date Feb 7, 2017
    • Chang-Xun Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool storage device
    • Patent number 9,308,639
    • Issue date Apr 12, 2016
    • Chang-Xun Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tool box
    • Patent number D746060
    • Issue date Dec 29, 2015
    • Chang-Xun Chen
    • D03 - Travel goods and personal belongings

Patents Applicationslast 30 patents

  • Information Patent Application

    BICYCLE FRAME UNIT AND MANUFACTURING METHOD THEREOF
    • Publication number 20240417022
    • Publication date Dec 19, 2024
    • Astro Tech Co., Ltd.
    • Samuel HU
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    HARDWARE MERCHANDISE CARRYING DEVICE
    • Publication number 20230202728
    • Publication date Jun 29, 2023
    • Chang-Xun Chen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    DRINKING CUP STRUCTURE
    • Publication number 20180134451
    • Publication date May 17, 2018
    • Chang-Hung Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    BICYCLE FRAME WITH A HIDDEN BATTERY PACK
    • Publication number 20170297647
    • Publication date Oct 19, 2017
    • ASTRO ENGINEERING CO., LTD.
    • Samuel HU
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Quick-Removal Socket Tool
    • Publication number 20160214240
    • Publication date Jul 28, 2016
    • Chang-Xun Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Ratchet Handtool
    • Publication number 20150343612
    • Publication date Dec 3, 2015
    • Chang-Xun Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CUP STRUCTURE
    • Publication number 20150136767
    • Publication date May 21, 2015
    • Chang-Hung Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Tool Storage Device
    • Publication number 20150096911
    • Publication date Apr 9, 2015
    • Chang-Xun Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS