1–20 of 393 hits
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    Elevator facilitating escape

    Free access
    LIU HONG | European Patent Office | 2023

    Bird-imitating folding wing mechanism

    Free access
    LIU HONG | European Patent Office | 2022

    Robot management system for intersection monitoring

    Free access
    LIU HONG | European Patent Office | 2021

    Construction site carrying device based on elastic auxiliary climbing stairs

    Free access
    LIU HONG | European Patent Office | 2020

    Safety handrail mounting structure for elevator

    Free access
    ZHANG MI / LIU HONG | European Patent Office | 2023

    CHILLER SYSTEMS

    Free access
    LU QIAO / LIU HONG | European Patent Office | 2022

    Chiller systems

    Free access
    LU QIAO / LIU HONG | European Patent Office | 2023

    Motor vehicle license plate and anti-fake method thereof

    Free access
    LIU HONG / MING YU | European Patent Office | 2015

    Seabed thermal water and cold spring observation method and system

    Free access
    LUAN XIWU / LIU HONG | European Patent Office | 2015