Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404772 | Zonal bolt-grouting support device and method for cataclastic rock mass large deformation of high-stress tunnel | Pengzhi Pan, Xuexing Cao, Yangyi Zhou, Zhaofeng Wang, Shijie Yang +3 more | 2025-09-02 |