Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085858 | True triaxial tester with adjustable loading stiffness and test method | Yunliang Tan, Tongbin Zhao, Yubao Zhang, Weiyao Guo, Xingxue Tang +1 more | 2021-08-10 |
| 11067488 | Inner and outer framework combined variable stiffness rock mechanics tester and testing method | Tongbin Zhao, Yunliang Tan, Minglu Xing, Yue Qiu, Wuwei Zheng +1 more | 2021-07-20 |