Patents/Assignees

Guangzhou Metro Design & Research Institute Co., Ltd.

4 patents in portfolio

US12258989utility2025
Connection Lock for Prefabricated Components
0 cites
US12209404utility2025
Mechanical Lock for Building Component Connection
0 cites
US11926982utility2024
Assembled Subway Station and Construction Method Thereof
0 cites
US11821456utility2023
Connection Assembly for Prefabricated Components
0 cites