Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199484 | Device and method for testing working performance of anchor rod cable by simulating rock stratum fracture and separation on basis of electromagnetic action | Nong Zhang, Zhengzheng Xie, Junyao Zhou, Yuxin Yuan | 2021-12-14 |
| 11162882 | Integral clamping steel strand drawing test apparatus, and method for using same | Nong Zhang, Zhengzheng Xie, Junyao Zhou, Zhe Xiang | 2021-11-02 |