1–20 of 1,014 hits
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    Mooring unmanned aerial vehicle for electric power inspection

    Free access
    FENG YI | European Patent Office | 2021

    Water-land-air triphibian automobile

    Free access
    FENG YI | European Patent Office | 2020

    Battery box tray device, battery replacement equipment and battery replacement control method

    Free access
    ZHOU YINGFU / JI YI / FENG YI | European Patent Office | 2021

    Battery box tray device, battery replacing equipment and battery replacing control method

    Free access
    JI YI / ZHOU YINGFU / FENG YI | European Patent Office | 2021

    BATTERY PACK REMOVAL CONTROL METHOD AND BATTERY PACK INSTALLATION CONTROL METHOD

    Free access
    JI YI / ZHOU YINGFU / FENG YI | European Patent Office | 2021

    Battery box tray device, battery replacement equipment and battery replacement control method

    Free access
    JI YI / ZHOU YINGFU / FENG YI | European Patent Office | 2021

    A ZCS buck excitation converter for electric vehicle with wound rotor synchronous motors

    Yi-Feng Wang | Online Contents | 2015
    Contributors: Yi-Qiang Zhang

    Grafana-based aviation Internet full-link monitoring alarm system

    Free access
    YI BIN / FENG SHIQING | European Patent Office | 2024

    Elevator vertical guide rail installation adjusting device

    Free access
    ZHOU YI / FENG XIAOYONG | European Patent Office | 2021

    Underwater garbage removing machine

    Free access
    FENG WENCHAO / YUAN YI | European Patent Office | 2020

    Application of USV to maritime safety supervision

    Free access
    LI Feng / YI Hong | DOAJ | 2018