1–20 of 64 hits
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    Doorsill-free sliding watertight door

    Free access
    ZHOU QINGHUA | European Patent Office | 2021

    Hatch cover power system and ship with hatch cover power system

    Free access
    ZHOU QINGHUA / XIE ZHEN | European Patent Office | 2023

    Marine hatch roller device and traveling mechanism with hatch roller device

    Free access
    ZHOU QINGHUA / YANG CHENGLIANG | European Patent Office | 2023

    Ship cabin wall climbing device

    Free access
    ZHOU QINGHUA / ZHANG ZHENG | European Patent Office | 2023

    Leaked liquid cargo guiding device of liquid cargo tank

    Free access
    ZHOU QINGHUA / CAI QIANYA | European Patent Office | 2021

    Door structure for moonpool on hull bottom

    Free access
    ZHOU QINGHUA / XU CHENG | European Patent Office | 2015

    Marine balloon cabin

    Free access
    XU CHENG / ZHOU QINGHUA / XIE ZHEN | European Patent Office | 2024

    Cargo ship, cabin of cargo ship and operation method of hatch cover for ship

    Free access
    ZHOU QINGHUA / YANG CHENGLIANG / WANG YINGYING | European Patent Office | 2022

    Hatch cover travelling crane and working method thereof

    Free access
    ZHOU QINGHUA / XU CHENG / YANG CHENGLIANG | European Patent Office | 2024

    Thermal insulation system of liquid cargo tank

    Free access
    ZHOU QINGHUA / YU YAO / YUAN JINGPING | European Patent Office | 2023

    Logistics vehicle carrying device

    Free access
    HAN HUI / GUI WENLONG / ZHOU QINGHUA | European Patent Office | 2021

    Folding hatch cover and assembling method thereof

    Free access
    ZHOU QINGHUA / LI QIN / XIE ZHEN | European Patent Office | 2024

    Mounting structure of cargo tank temperature sensor

    Free access
    ZHOU QINGHUA / ZOU JIMING / TU WENLING | European Patent Office | 2023

    Automobile crane

    Free access
    XIAO JIJUN / OU SHU / ZHOU QINGHUA | European Patent Office | 2020

    CONVEX DECK STRUCTURE AND LIQUEFIED GAS CARRIER

    Free access
    ZHOU QINGHUA / CHEN BING / LIU YIDIAN et al. | European Patent Office | 2023

    종방향 스와시 격벽이 구비된 독립 액체 탱크 구조

    Free access
    ZHOU QINGHUA / CAI QIANYA / YU YAO et al. | European Patent Office | 2022

    Heat insulation system of B-type independent liquid tank and ship

    Free access
    LU WEI / ZHANG CHENGYOU / WANG BING et al. | European Patent Office | 2023

    Low-temperature liquid cargo leakage protection device of independent liquid tank

    Free access
    ZHOU QINGHUA / CHEN ZHIDA / TU HAN et al. | European Patent Office | 2021

    Liquid discharge device for liquid tank containment system and ship

    Free access
    HU KEYI / WANG BING / LU WEI et al. | European Patent Office | 2023