1–20 of 1,318 hits
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    Ultrasonic detection device for steel pipe

    Free access
    ZHANG JIAN | European Patent Office | 2022

    Self-generating and self-cleaning lighting mechanism of new energy automobile

    Free access
    ZHANG JIAN | European Patent Office | 2022

    Transport vehicle

    Free access
    ZHANG JIAN | European Patent Office | 2024

      TRANSPORT VEHICLE

      Free access
      ZHANG JIAN | European Patent Office | 2022

      TRANSPORT VEHICLE

      Free access
      ZHANG JIAN | European Patent Office | 2022

    Device state adjusting method and device, electronic device and storage medium

    Free access
    ZHANG JIAN | European Patent Office | 2023

    Vehicle-mounted visual collection module and unmanned vehicle

    Free access
    ZHANG JIAN | European Patent Office | 2021

    Robot trolley

    Free access
    ZHANG JIAN | European Patent Office | 2021

    Automatic alarm system after vehicle collision

    Free access
    ZHANG JIAN | European Patent Office | 2024

    Mobile device for medical query terminal and using method thereof

    Free access
    ZHANG JIAN | European Patent Office | 2021

    Unmanned distribution vehicle

    Free access
    ZHANG JIAN | European Patent Office | 2020

    Waterproof hollow wheel

    Free access
    ZHANG JIAN | European Patent Office | 2024

    Household car anti-theft alarm method

    Free access
    ZHANG JIAN | European Patent Office | 2024

    Vehicle

    Free access
    ZHANG JIAN | European Patent Office | 2020

    Lifting platform for maintenance of pole-mounted distribution transformer

    Free access
    ZHANG JIAN | European Patent Office | 2023

    Door area protection device of hand sliding door household elevator

    Free access
    ZHANG JIAN | European Patent Office | 2023

    Novel baby carriage folding and stretching structure

    Free access
    ZHANG JIAN | European Patent Office | 2023