1–20 of 181 hits
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    Brake force generation method and device based on emergency braking system

    Free access
    XU JIE | European Patent Office | 2023

    Urban traffic optimization system

    Free access
    XU JIE | European Patent Office | 2024

    Hydraulic carrying device for logistics transportation

    Free access
    XU JIE | European Patent Office | 2021

    Efficient charging system for electric bicycle

    Free access
    XU JIE | European Patent Office | 2020

    Electric bicycle control system based on Internet-of-things

    Free access
    XU JIE | European Patent Office | 2020

    High-efficiency power supply system for electric bicycles

    Free access
    XU JIE | European Patent Office | 2020

    Smart seat for reminding bus arrival by light vibration

    Free access
    XU JIE | European Patent Office | 2015

    Automatic rotating type clip hook lifting appliance

    Free access
    DU YU / XU JIE | European Patent Office | 2023

    Driving mechanism for realizing different time sequence motions of grating blades

    Free access
    XU JIE / GUO SHENGWEI | European Patent Office | 2021

    Storable piano key type automatic lifting appliance

    Free access
    XU JIE / DU YU | European Patent Office | 2023

    Surveying and mapping unmanned aerial vehicle for surveying and mapping geographic information

    Free access
    GU WEIMING / XU JIE | European Patent Office | 2023

    Storage device with solar charging function for unmanned aerial vehicle

    Free access
    XU JIE / REN JIYUAN | European Patent Office | 2020

    Multi-rotor unmanned aerial vehicle with high stability

    Free access
    XU JIE / REN JIYUAN | European Patent Office | 2020

    Propulsion device for ships

    Free access
    FANG DEYU / XU JIE | European Patent Office | 2022

    Early warning method and system for flight attitude abnormity of unmanned aerial vehicle

    Free access
    REN JIYUAN / XU JIE | European Patent Office | 2023