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    Use control method and device for helmet of electric bicycle and electric bicycle

    Free access
    WENG QIUCHEN / CUI BO / WENG QIANYAO et al. | European Patent Office | 2022

    Shared vehicle parking detection method and device, server and parking management equipment

    Free access
    WENG QIUCHEN / CUI BO / LIN YI et al. | European Patent Office | 2022

    Automatic control system and control method for oil-driven unmanned vehicle

    Free access
    FENG XINGMING / SONG YUNBO / SHEN YIFEI et al. | European Patent Office | 2021