1–7 of 7 hits
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    Unmanned aerial vehicle long-time application system and method

    Free access
    QU ZHENGYU / HAO YONG / YAN FENG et al. | European Patent Office | 2020

    Wireless charging method, equipment, medium and product

    Free access
    LI YONGXIANG / XU GUONING / JIA ZHONGZHEN et al. | European Patent Office | 2021

    Unmanned aerial vehicle automatic charging method and system

    Free access
    LI YONGXIANG / XU GUONING / JIA ZHONGZHEN et al. | European Patent Office | 2021

    Supporting frame of flexible solar cell and stratospheric airship

    Free access
    LUO HAIBO / LI ZHAOJIE / ZHANG YANLEI et al. | European Patent Office | 2021

    Inflation and deflation device for stratospheric aerostat

    Free access
    QU WEI / MIAO JINGGANG / CHEN CHEN et al. | European Patent Office | 2023

    Solar aerostat and sun tracking method thereof

    Free access
    JIA ZHONGZHEN / XU GUONING / LI YONGXIANG et al. | European Patent Office | 2023

    Vertical section meteorological observation captive balloon system

    Free access
    QIN YUMEI / FU QIANG / JIANG YI et al. | European Patent Office | 2023