1–12 of 12 hits
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    Telescopic arm support and engineering machinery

    Free access
    LIU QIANG / SHEN CHANGWU / WANG LEI et al. | European Patent Office | 2021

    Hydraulic cylinder and lifting device

    Free access
    SUN YUWEI / SHEN CHANGWU / ZHOU QINGXI et al. | European Patent Office | 2021

    Control method and device for rotation of rotary table, processor and storage medium

    Free access
    SONG JIANQING / HE WEI / ZHOU QINGXI et al. | European Patent Office | 2022

    Supporting leg hydraulic system and engineering machinery

    Free access
    HUANG ZHEN / HE WEI / LI BO et al. | European Patent Office | 2022

    Counterweight hydraulic system and crane

    Free access
    SONG JIANQING / HE WEI / ZHOU QINGXI et al. | European Patent Office | 2022

    Method and device for preventing crane jib from moving forwards and crane

    Free access
    HE WEI / SUN YUWEI / SHEN CHANGWU et al. | European Patent Office | 2022

    Multi-way reversing valve, supporting leg oil cylinder control system and automobile crane

    Free access
    LIAO QIHUI / HE WEI / SHEN CHANGWU et al. | European Patent Office | 2023

    Multi-way valve control system and method

    Free access
    HUANG ZHEN / HE WEI / CAO JIBING et al. | European Patent Office | 2023

    Confluence multi-way valve and double-pump hydraulic system

    Free access
    LIAO QIHUI / HU HAIJUAN / HE WEI et al. | European Patent Office | 2023

    Telescopic hydraulic system, telescopic mechanism and automobile crane

    Free access
    ZHOU QINGXI / SONG JIANQING / HE WEI et al. | European Patent Office | 2023

    Hydraulic control system of bolt mechanism and engineering machinery

    Free access
    CAO JIBING / ZHOU QINGXI / HE WEI et al. | European Patent Office | 2024

    Landing leg hydraulic system, engineering machinery and control method of engineering machinery

    Free access
    HUANG ZHEN / HE WEI / ZHOU QINGXI et al. | European Patent Office | 2024