1–20 von 20 Ergebnissen
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    Adjustable multifunctional petroleum drilling machine moving guide rail

    Freier Zugriff
    ZHANG CHONGJUN / WANG QIAN / YUAN XIAOWEI et al. | Europäisches Patentamt | 2022

    Apparatus and method for pre-loading mechanical constant-resistance single prop

    Freier Zugriff
    ZHANG JIXIONG / ZHANG QIANG / CHEN YANLONG et al. | Europäisches Patentamt | 2019

    Automatic hoisting control system and device for drill rod of twist drill coal mining machine

    Freier Zugriff
    ZHANG QIANG / DAI WENGUANG / LIU WEI et al. | Europäisches Patentamt | 2022

    Battery car auxiliary braking equipment suitable for large-gradient shield tunnel and construction method

    Freier Zugriff
    WANG YAODONG / LI YIFANG / LIU GUOFENG et al. | Europäisches Patentamt | 2021

    Blowout preventer lifting and moving device

    Freier Zugriff
    ZHANG ZHENHUA / CAI WENJUN / MENG QIANG et al. | Europäisches Patentamt | 2021

    Driving and driller control switching circuit and switching method of vehicle-mounted workover equipment

    Freier Zugriff
    GENG XING / YU DONGFANG / YANG LIRONG et al. | Europäisches Patentamt | 2023

    Emergency protection device for underground mining of coal mine

    Freier Zugriff
    MA BIAO / CHENG QIANG / WANG GANG et al. | Europäisches Patentamt | 2024

    Integrated traveling block hook

    Freier Zugriff
    ZHANG ZHENGFANG / LEE JUNG-CHUL / YI QIANG et al. | Europäisches Patentamt | 2023

    Low-vacuum pipeline transportation system

    Freier Zugriff
    XIONG JIAN / LI QIANG / WANG YUXIN et al. | Europäisches Patentamt | 2020

    Mining automatic shed recovering machine

    Freier Zugriff
    FAN CHUNYONG / ZHANG QIANG / WANG MIN et al. | Europäisches Patentamt | 2023

    Railway tunnel contact net rail groove mounting device and mounting method

    Freier Zugriff
    LI DONGSHUN / CHEN HAO / YU YUEXIN et al. | Europäisches Patentamt | 2021

    Sea-to-sea directional drilling and crossing operation system and method

    Freier Zugriff
    LI SHUO / WANG QIANG / ZHU YANSHUN et al. | Europäisches Patentamt | 2021

    Self-propelled towing simulator for deep-sea mining system applicable to natural water bodies and simulation method using the same

    Freier Zugriff
    XIAO LINJING / WANG YU / ZHANG YULONG et al. | Europäisches Patentamt | 2023

    Single hydraulic prop transportation device

    Freier Zugriff
    YANG MING / ZHANG ZUOWU / YAN XUE et al. | Europäisches Patentamt | 2020

    Steel wire rope traction monorail crane for conveying mining material equipment

    Freier Zugriff
    ZHU SHUGUANG / HU HENGZHEN / ZHENG FUPING et al. | Europäisches Patentamt | 2022

    Suspension lifting rope guide wheel device and using method thereof

    Freier Zugriff
    ZHAO FAWU / ZHAO HAILONG / SUN BAOJING et al. | Europäisches Patentamt | 2024

    Thin seam shuttle car with synchronous tooth based space steering mechanism

    Freier Zugriff
    CHEN QINGHE / MA KAI / REN XIAOLI et al. | Europäisches Patentamt | 2020

    Transportation system

    Freier Zugriff
    XIONG JIAN / PAN XISHUN / HUANG XINLIAN et al. | Europäisches Patentamt | 2020

    Underground coal mine trackless auxiliary transportation robot

    Freier Zugriff
    HAO MINGRUI / YUAN XIAOMING / ZHOU DEHUA et al. | Europäisches Patentamt | 2021