Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404772 | Zonal bolt-grouting support device and method for cataclastic rock mass large deformation of high-stress tunnel | Guojin Zhu, Xuexing Cao, Yangyi Zhou, Zhaofeng Wang, Shijie Yang +3 more | 2025-09-02 |
| 12392698 | System and method for testing rock fracture under vacuum and extreme-temperature condition | Yujie FENG, Zhaofeng Wang | 2025-08-19 |