1–20 of 102 hits
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    Intelligent lighting traffic signal lamp system

    Free access
    DING LI | European Patent Office | 2021

    Flexibly-deformable trailing edge variable camber wing rib

    Free access
    DING LI | European Patent Office | 2020

    Flexible connection buffer device

    Free access
    DING LI | European Patent Office | 2020

    Flexibly-deformable trailing edge variable camber wing

    Free access
    DING LI | European Patent Office | 2020

    Light aircraft landing gear

    Free access
    DING LI | European Patent Office | 2020

    Wheel, chassis and vehicle

    Free access
    DING LI | European Patent Office | 2015

    Inflatable boat with split type quick-release air supply equipment

    Free access
    DING LI / DING LEI | European Patent Office | 2023

    Safe lifesaving equipment easy to wear

    Free access
    DING LI / DING LEI | European Patent Office | 2023

    Split type inflatable life-saving equipment easy to store

    Free access
    DING LI / DING LEI | European Patent Office | 2023

    Combined quick-release lifesaving equipment with driving unit

    Free access
    DING LI / DING LEI | European Patent Office | 2023

    Intelligent bidirectional control windscreen wiper device for ship

    Free access
    PAN YUXING / DING LI | European Patent Office | 2023

    Dual-structure type inflatable lifeboat

    Free access
    DING LI / DING LEI | European Patent Office | 2023

    Multi-directional expansion type portable inflatable life-saving equipment

    Free access
    DING LI / DING LEI | European Patent Office | 2022

    Modularized inflatable life jacket easy to assemble and disassemble

    Free access
    DING LI / DING LEI | European Patent Office | 2022

    Inflatable life jacket with thermal insulation protective cover

    Free access
    DING LI / DING LEI | European Patent Office | 2023

    Anti-icing windscreen wiper device for ship

    Free access
    PAN YUXING / DING LI | European Patent Office | 2023

    Portable inflatable lifesaving device with multi-control mechanism

    Free access
    DING LI / DING LEI | European Patent Office | 2022

    Lifesaving device with built-in centrifugal blade driving mechanism

    Free access
    DING LI / DING LEI | European Patent Office | 2022

    Detachable portable inflatable lifesaving device

    Free access
    DING LI / DING LEI | European Patent Office | 2022