1–13 von 13 Ergebnissen
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    Rotary drilling rig winch hydraulic system, control method and storage medium

    Freier Zugriff
    QIAN FA / HE JIE / FAN PENGCHENG et al. | Europäisches Patentamt | 2024

    Winding synchronous control system and winding synchronous control method

    Freier Zugriff
    QIAN FA / HE JIE / FAN PENGCHENG et al. | Europäisches Patentamt | 2024

    Hydraulic locking device for oil cylinder

    Freier Zugriff
    HE JIE / HE HAO / ZHANG HE et al. | Europäisches Patentamt | 2022

    Elevator counterweight device convenient for fixing counterweight filler

    Freier Zugriff
    HE JIE / HOU FANGDONG / LIU FALI et al. | Europäisches Patentamt | 2022

    Elevator guide rail production line for elevator manufacturing

    Freier Zugriff
    ZHU YU / LI GUANGMING / HE JIE et al. | Europäisches Patentamt | 2022

    Thermal management system based on engine tail gas heat recovery and control method thereof

    Freier Zugriff
    LI BIN / WANG ZHIHUI / LUO PINGGEN et al. | Europäisches Patentamt | 2022

    Novel station capable of quickly entering station and integrating epidemic prevention, security check and ticket check

    Freier Zugriff
    JIN DI / LI MING / WEI ZHONGLI et al. | Europäisches Patentamt | 2022

    Air conveying device for intelligent elevator

    Freier Zugriff
    CAO DONGXUE / HE JIE / HOU FANGDONG et al. | Europäisches Patentamt | 2021

    Support mounting mechanism for elevator traction machine and using method of support mounting mechanism

    Freier Zugriff
    HOU ZIZHEN / HE JIE / CAO MENGLONG et al. | Europäisches Patentamt | 2020

    Adjusting device for elevator tractor and operating method thereof

    Freier Zugriff
    CHEN MINGFENG / HE JIE / DUAN LEI et al. | Europäisches Patentamt | 2020

    Municipal engineering detection device based on cloud platform and using method

    Freier Zugriff
    HE ZENGPING / CHAO PENGFEI / LIU YU et al. | Europäisches Patentamt | 2020