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classificationCode:"ipc:B63B"

    High-efficiency multi-loop large ship main hull molded line measurement method

    Free access
    XU JING / QIU LIAOYUAN / WANG JIAN et al. | European Patent Office | 2024

    Remote-control thin oil film recovery boat

    Free access
    WANG JIAN / XIE ZHONGQI / ZHANG JIANMIN et al. | European Patent Office | 2023

    Blue-green algae salvage and enrichment integrated engineering ship

    Free access
    XIA CHENG / HU JINGZHAO / WANG LIYING et al. | European Patent Office | 2023

    Blue-green algae salvage and enrichment method, electronic equipment, storage medium and system

    Free access
    XIA CHENG / HU JINGZHAO / WANG LIYING et al. | European Patent Office | 2023

    Algae removal robot and algae removal method

    Free access
    CHEN QICHUN / HONG SHENGRONG / WANG JIAN | European Patent Office | 2023

    New barrage initial water storage temporary ecological water discharging system and control method thereof

    Free access
    DANG HAIXIA / WANG JIAN / SUN ZHAO et al. | European Patent Office | 2023

    Blue-green algae water body restoration equipment and restoration method

    Free access
    HU ZHEWEI / ZHANG YA / KIM SOOK et al. | European Patent Office | 2023

    Algae removing ship

    Free access
    CHEN QICHUN / HONG SHENGRONG / WANG JIAN et al. | European Patent Office | 2023

    Offshore floating oil recovery ship

    Free access
    WANG PENG / WANG JIAN | European Patent Office | 2022

    Unmanned ship for tracking and collecting floating oil on water surface

    Free access
    WANG PENG / WANG JIAN | European Patent Office | 2022