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Zhen ZHANG

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  • Ningbo, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTATING ARM PROTECTIVE LOCK
    • Publication number 20250237091
    • Publication date Jul 24, 2025
    • Ningbo Eudemon Child Protective Equipment Co., Ltd.
    • Xueming Zhang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    TWO-WAY LOCKING DOOR STOP AND METHOD FOR TWO-WAY LOCKING OF DOOR LEAF
    • Publication number 20250172024
    • Publication date May 29, 2025
    • Ningbo Eudemon Child Protective Equipment Co., Ltd.
    • Xueming Zhang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    RETRACTABLE CHILDPROOF LOCK
    • Publication number 20230358078
    • Publication date Nov 9, 2023
    • Ningbo Eudemon Child Protective Equipment Co., Ltd.
    • Zhen Zhang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ROTARY DOOR STOP
    • Publication number 20230068935
    • Publication date Mar 2, 2023
    • Ningbo Eudemon Child Protective Equipment Co., Ltd.
    • Yingfeng CHEN
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ANTI-TILT ASSEMBLY OF CABINET
    • Publication number 20220202184
    • Publication date Jun 30, 2022
    • Ningbo Eudemon Child Protective Equipment Co., Ltd.
    • Zhen ZHANG
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    UNLOCKING AND LOCKING METHOD OF CABINET LOCK AND CABINET SAFETY LOCK
    • Publication number 20220205292
    • Publication date Jun 30, 2022
    • Ningbo Eudemon Child Protective Equipment Co., Ltd.
    • Yingfeng CHEN
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SAFETY LOCK DEVICE
    • Publication number 20220018158
    • Publication date Jan 20, 2022
    • Ningbo Eudemon Child Protective Equipment Co., Ltd.
    • Zhen ZHANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Fence Gate Limiting Mechanism, Fence Gate Assembly and Fence Gate L...
    • Publication number 20210062550
    • Publication date Mar 4, 2021
    • Ningbo Endemon Child Protective Equipment Co., Ltd.
    • Zhen Zhang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LOCKING DEVICE AND REFRIGERATOR USING THE SAME
    • Publication number 20200040625
    • Publication date Feb 6, 2020
    • Ningbo Eudemon Child Protective Equipment Co., Ltd.
    • Zhen ZHANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES