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classificationCode:"ipc:B63B"

    Water area surveying and mapping device and surveying and mapping method

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    XIAO JINPING / HOU YANLI / ZHU ZHICHAO et al. | European Patent Office | 2024

    Novel solar water quality detection triple-hulled vessel

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    ZHEN CHUNBO / ZHAO YAN / SU MENGDI et al. | European Patent Office | 2024

    Underwater topographic survey device

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    TIAN LAN | European Patent Office | 2024

    Strong tidal current type profile observation buoy device

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    MA YUNLONG / NI XIAOBO / ZHANG TAO | European Patent Office | 2024

    一种船舶水位监测预警装置

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    European Patent Office | 2024

    Automatic water quality monitoring system and monitoring method based on GPS positioning and LoRa communication

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    ZHANG PENG / ZHANG XIANZHONG / ZHAO MAN et al. | European Patent Office | 2024

    Experimental device and method for remote unmanned observation of drift motion of target in distress

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    TIAN YU / LEI GUIBIN / WANG SHUQING et al. | European Patent Office | 2024

    Multifunctional detection buoy

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    LUO HUOQIAN / ZHANG RUIFEN / ZHANG WEIHUA et al. | European Patent Office | 2024