1–10 of 14 hits
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    Construction device for improving leakproofness of spiral duct in linear tunnel and construction method thereof

    Free access
    NI ZHIHAI / TANG YI / FENG QIANG et al. | European Patent Office | 2024

    Rear matched trailer, steering method of rear matched trailer and shield tunneling machine

    Free access
    DENG ZHIQIANG / WANG BIN / LI PEI et al. | European Patent Office | 2024

    Tunnel lining maintenance device and using method thereof

    Free access
    XU JINYING / JIA ZHAOLIAN / JIA JINGJING et al. | European Patent Office | 2024

    Branch locking device for underground inclined drift transport mancar

    Free access
    XU FENG / YANG JIE / LI JIAN et al. | European Patent Office | 2023

    Deep-sea mining ship system and operation method thereof

    Free access
    WANG QINGFENG / HAN XU / DENG JIAXIAN et al. | European Patent Office | 2023

    Pit digging and pole erecting integrated vehicle for telegraph poles

    Free access
    LI GUOLIANG / WANG KUN / LIN YUQING et al. | European Patent Office | 2023

    Installation method of rail type transportation lifting device in tunnel

    Free access
    LI YONGHAI / ZHU JUN / WANG WEI et al. | European Patent Office | 2022

    Tunnel sleeve construction method

    Free access
    XIANG YANBIAO / CHEN FENG / YANG ZHAO et al. | European Patent Office | 2022

    Comprehensive logging truck

    Free access
    GUAN SHAOBIN / SUN HAIREN / GAO WEI et al. | European Patent Office | 2022

    Flat plate transport vehicle for duct pieces in tunnel

    Free access
    LI JING / ZHANG YANG / GUO MENGQI et al. | European Patent Office | 2021