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classificationCode:"ipc:B63B"

    Bee colony type water surface garbage cleaning robot

    Free access
    WU ZHENGKANG / QI XIAOMIN / ZHU ZHEN et al. | European Patent Office | 2022

    Ship nitrogen charging pipeline system and ship

    Free access
    LI JIAHUA / LU YI / ZHANG LEI et al. | European Patent Office | 2022

    Ship fouling monitoring and evaluation method based on overall fouling coefficient

    Free access
    QIU BOHUA / ZHANG YU / WEI MUHENG et al. | European Patent Office | 2020

    Four-quadrant load device

    Free access
    HU CONG / ZHANG YU / YU XIXUE et al. | European Patent Office | 2022

    Photoelectric buoy for hydrological monitoring

    Free access
    GAO WEI / ZHENG YUAN / LIU LIJING et al. | European Patent Office | 2023

    Marine floating type ship power supply device

    Free access
    LU SHENGHUI / YAN ZHONGJIE / DENG XIAOZONG et al. | European Patent Office | 2022

    Floating type wind power generation system

    Free access
    LYU YIYANG / ZHANG YU / LEE JI-WOO et al. | European Patent Office | 2023

    Sea ice sample collection buoy and sea ice sample salinity detection method

    Free access
    KOU LIWEI / DOU YINKE / ZUO GUANGYU et al. | European Patent Office | 2023

    Solar power generation panel arranged on water surface

    Free access
    ZHANG YU / LUO CHAOMAO / LI MAN et al. | European Patent Office | 2023

    Navigation mark collision monitoring evidence obtaining system and evidence obtaining method

    Free access
    ZHANG JUNPING / WANG YONG / WANG HUI et al. | European Patent Office | 2023

    Auxiliary fishing method based on big data and unmanned aerial vehicle

    Free access
    CHEN HAO / XU YUANZHE / ZHANG YU et al. | European Patent Office | 2022

    Offshore measurement equipment and data transmission method

    Free access
    HANG ZHAOFENG / ZHANG BO / QIU XU et al. | European Patent Office | 2022

    Offshore power generation device integrating ocean energy, photovoltaic energy and wind energy

    Free access
    QI HAIFENG / CHEN XIAOLU / CHEN TAO et al. | European Patent Office | 2022

    Floating fan hydrogen production integrated device

    Free access
    LIN DONG / YAN ZHONGJIE / DENG XIAOZONG et al. | European Patent Office | 2022