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Hangzhou Jianyi Technology Co., Ltd.

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  • Hangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lift-pull pen
    • Patent number 11,241,903
    • Issue date Feb 8, 2022
    • Hangzhou Jianyi Technology Co., Ltd.
    • Chengpeng Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractable pen with a push button
    • Patent number 10,974,540
    • Issue date Apr 13, 2021
    • Hangzhou Jianyi Technology Co., Ltd.
    • Chengpeng Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Detachable and retractable pen
    • Patent number 10,960,705
    • Issue date Mar 30, 2021
    • Hangzhou Jianyi Technology Co., Ltd.
    • Chengpeng Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Garbage incineration device for garbage disposal
    • Patent number 10,718,514
    • Issue date Jul 21, 2020
    • Hangzhou Jianyi Technology Co., Ltd.
    • Chengpeng Yu
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

  • Information Patent Application

    LIFT-PULL PEN
    • Publication number 20210023871
    • Publication date Jan 28, 2021
    • Hangzhou Jianyi Technology Co., Ltd.
    • Chengpeng YU
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    RETRACTABLE PEN
    • Publication number 20210016596
    • Publication date Jan 21, 2021
    • Hangzhou Jianyi Technology Co., Ltd.
    • Chengpeng YU
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    GARBAGE INCINERATION DEVICE FOR GARBAGE DISPOSAL
    • Publication number 20200208836
    • Publication date Jul 2, 2020
    • Hangzhou Jianyi Technology Co., Ltd.
    • Chengpeng YU
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...