1–20 of 582 hits
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    Vertical take-off and landing and fixed-wing aircrafts

    Free access
    ZHANG RUI | European Patent Office | 2022

    Multi-rotor aircrafts

    Free access
    ZHANG RUI | European Patent Office | 2022

    Vehicle control method and system, electronic equipment and storage medium

    Free access
    ZHANG RUI | European Patent Office | 2022

    Road environment sensing method and device

    Free access
    ZHANG RUI | European Patent Office | 2022

    Observation and maintenance equipment for elevator steel wire rope

    Free access
    ZHANG RUI | European Patent Office | 2021

    Disinfection equipment for logistics

    Free access
    ZHANG RUI | European Patent Office | 2022

    Floating type water environment treatment detection equipment

    Free access
    ZHANG RUI | European Patent Office | 2023

    Vertical take-off and landing and fixed-wing aircrafts

    Free access
    ZHANG RUI | European Patent Office | 2022

    Multi-propeller aircrafts

    Free access
    ZHANG RUI | European Patent Office | 2022

    Cargo fixing device for unmanned aerial vehicle

    Free access
    ZHANG RUI | European Patent Office | 2020

    Elevator two-dimensional code use charging control systems and methods

    Free access
    ZHANG RUI | European Patent Office | 2020

    Method and device for prompting bicycle gear shifting

    Free access
    ZHANG RUI | European Patent Office | 2018

    Vertical take-off and landing and fixed wing hovercars

    Free access
    ZHANG RUI | European Patent Office | 2022