1–5 von 5 Ergebnissen
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    Anti-galloping elevator safety device

    Freier Zugriff
    LIU TAO / ZHANG JIANWEI / HE BIN et al. | Europäisches Patentamt | 2021

    Embedded diagnostic device for elevator safety components

    Freier Zugriff
    LIU TAO / ZHENG DA / SHEN HUAQIANG et al. | Europäisches Patentamt | 2021

    Escalator with stair cleaning and disinfecting functions

    Freier Zugriff
    ZHENG DA / ZHANG JIANWEI / FENG TAO et al. | Europäisches Patentamt | 2022

    Broken tooth cavity monitoring device with step cleaning function for escalator

    Freier Zugriff
    HE BIN / MA XINFENG / ZHENG DA et al. | Europäisches Patentamt | 2022

    Screw-type escalator operation stabilizing device

    Freier Zugriff
    HE BIN / ZHENG DA / SHEN HUAQIANG et al. | Europäisches Patentamt | 2022