Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11067488 | Inner and outer framework combined variable stiffness rock mechanics tester and testing method | Tongbin Zhao, Yanchun Yin, Yunliang Tan, Yue Qiu, Wuwei Zheng +1 more | 2021-07-20 |
| 10969314 | Device and method for anchor bolt (cable) supporting structure test and anchoring system performance comprehensive experiment | Tongbin Zhao, Chunlin Li, Yunliang Tan, Chen Zhao, Zhi Jun Wang +3 more | 2021-04-06 |