1–20 of 368 hits
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    Detachable unmanned aerial vehicle bomb throwing platform device

    Free access
    ZHANG LANYONG / LIU LEI / ZHANG LEI | European Patent Office | 2020

    Train control system and method, electronic equipment and storage medium

    Free access
    LIU HEYE / ZHANG LEI / LIU YANGFAN | European Patent Office | 2023

    Elevator system

    Free access
    LIU WENJIN / ZHANG LEI / LIU TAO | European Patent Office | 2020

    Oil supplementing method of power transformer and expander lifting device thereof

    Free access
    LIU XIAOXIA / ZHANG LEI | European Patent Office | 2023

    Protection device for preventing accidental movement of lift car

    Free access
    LIU WENJIN / ZHANG LEI / LIU TAO | European Patent Office | 2020

    Dragging type real-time communication device of underwater portable/mobile intelligent terminal

    Free access
    LIU SONGDONG / ZHANG LEI | European Patent Office | 2020

    Sound insulation and heat insulation pad of automobile and production process thereof

    Free access
    LIU JUAN / ZHANG LEI / WANG LEI et al. | European Patent Office | 2015

    STAIR CLEANING ROBOT BASED ON RETRACTABLE ROTATING ARMS

    Free access
    ZHANG LEI / SHAO JIANGEN / SU LEI et al. | European Patent Office | 2023

    Commercial vehicle fan control method and system

    Free access
    SHI LEI / ZHANG LEI / LIU YAN et al. | European Patent Office | 2021

    Cantilever crane telescopic tower crane with attachment mechanism and working method thereof

    Free access
    LIU CHENGQIANG / LUO NIANNING / SUN TAO et al. | European Patent Office | 2020

    Motorcade passing method and device, vehicle-mounted terminal, storage medium and program product

    Free access
    ZHANG LEI / LIU JICHEN / SUN YU | European Patent Office | 2024

    Intelligent traffic light device

    Free access
    SUN JINPING / ZHANG LEI / LIU ZHONGYU | European Patent Office | 2022

    Rear view mirror and vehicle

    Free access
    ZHANG LEI / LIU JIALIANG / WANG MINGSHU | European Patent Office | 2021

    Vehicle following control method and system

    Free access
    WANG ZHENPO / ZHANG LEI / LIU JIZHENG | European Patent Office | 2021

    AIR PURIFICATION APPARATUS, METHOD OF CONTROLLING THE APPARATUS, DEVICE OF CONTROLLING THE APPARATUS AND VEHICLE USING THE SAME

    Free access
    XING ZHENG / ZHANG LEI / LIU ZHENHUA | European Patent Office | 2019

    Electro-hydraulic composite brake control method and system for electric automobile

    Free access
    ZHANG LEI / LIU QINGSONG / WANG ZHENPO | European Patent Office | 2020

    Rotatable low-clearance bridge type carrying crane

    Free access
    LIU YONGGANG / ZHANG LEI / SUN FAN et al. | European Patent Office | 2021

    Thermoelectric conversion system

    Free access
    LIU FENGMING / ZHANG LEI / ZHU XIYU | European Patent Office | 2023

    Cultural relic extraction device for archaeology work and implementation method

    Free access
    XIE ZHENBIN / LIU JIANCHENG / ZHANG LEI | European Patent Office | 2021

    Baby carriage frame folded by linkage leaning frame

    Free access
    ZHANG LEI / LIU YONGLI / ZHANG ZONGXU | European Patent Office | 2023