1–12 of 12 hits
|

    Marine small hatch cover and welding process thereof

    Free access
    DONG HONGFEI / QI XUEQIN | European Patent Office | 2023

    Marine winch with good heat dissipation effect

    Free access
    WANG SHIDONG / DONG HONGFEI / QI XUEQIN | European Patent Office | 2021

    Folding auxiliary ladder convenient to disassemble and store

    Free access
    WANG SHIDONG / DONG HONGFEI / QI XUEQIN | European Patent Office | 2021

    Marine auxiliary ladder with anti-skid function

    Free access
    WANG SHIDONG / DONG HONGFEI / QI XUEQIN | European Patent Office | 2021

    Marine knotted boarding rope

    Free access
    CHEN GUANGXIN / QIU ZHENGJIANG / QI XUEQIN | European Patent Office | 2015

    Safety belt

    Free access
    WANG SHIDONG / DONG HONGFEI / QI XUEQIN et al. | European Patent Office | 2024

    Height-adjustable protective net

    Free access
    WANG SHIDONG / DONG HONGFEI / WANG LI et al. | European Patent Office | 2023

    Shooting perimeter protection outfit for naval vessel and naval gun

    Free access
    WANG SHIDONG / DONG HONGFEI / WANG JUNBEN et al. | European Patent Office | 2023

    Ultra-high molecular weight polyethylene rope

    Free access
    WANG SHIDONG / CAI ZHENGGUO / SONG XIAOYAN et al. | European Patent Office | 2021

    Rope and production method thereof

    Free access
    YUAN MINGWEI / CAI ZHENGGUO / SONG XIAOYAN et al. | European Patent Office | 2021

    Mooring bollard with spherical head

    Free access
    WANG SHIDONG / LIANG XINGHONG / QI XUEQIN et al. | European Patent Office | 2016

    Hand-operated mooring rope reel

    Free access
    WANG SHIDONG / LIANG XINGHONG / QI XUEQIN et al. | European Patent Office | 2015