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Quanxi Liu

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  • Dongguan, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    HANDCUFF STRUCTURE
    • Publication number 20240368925
    • Publication date Nov 7, 2024
    • Dongguan Jingtong Machinery Technology Co., Ltd.
    • Jianyi Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    BICYCLE REAR-WHEEL DRIVE MECHANISM
    • Publication number 20240351374
    • Publication date Oct 24, 2024
    • Dongguan Jingtong Machinery Technology Co., Ltd.
    • Quanxi Liu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    KIND OF BENDING BOLT TYPE ANTI-LOOSENING NUT
    • Publication number 20240191744
    • Publication date Jun 13, 2024
    • Dongguan Jingtong Machinery Technology Co., Ltd.
    • Qing Liu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...