1–8 of 8 hits
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    Low-cost chain-disengaging-preventing lever block

    Free access
    WANG HONGHUA / QI HUAN / WU QI | European Patent Office | 2021

    Steel wire rope electric hoist with high safety coefficient

    Free access
    WANG HONGHUA / QI HUAN / WU QI | European Patent Office | 2021

    Convenient-to-use hooking and unhooking hook for hoist crane

    Free access
    WANG HONGHUA / QI HUAN / WU QI | European Patent Office | 2020

    Four-line endless chain tightener

    Free access
    WANG HONGHUA / QI HUAN / WU QI | European Patent Office | 2021

    Safe and reliable hook for electric hoist

    Free access
    WANG HONGHUA / QI HUAN / WU QI | European Patent Office | 2021

    Stable and wear-resistant monorail trolley

    Free access
    WANG HONGHUA / QI HUAN / WU QI | European Patent Office | 2020

    Fast-growing artificial forest intelligent tree climbing device and control method thereof

    Free access
    REN SHIQI / JIANG YING / WU QI et al. | European Patent Office | 2023

    Fast-growing artificial forest pruning robot and control method thereof

    Free access
    REN SHIQI / LU CUIXIANG / LIU YUAN et al. | European Patent Office | 2023