Issued Patents 2021
Showing 1–3 of 3 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, Yuxin Yuan, Xinyue Li | 2021-12-14 |
| 11162882 | Integral clamping steel strand drawing test apparatus, and method for using same | Nong Zhang, Zhengzheng Xie, Zhe Xiang, Xinyue Li | 2021-11-02 |
| 11078021 | Steel belt conveying apparatus for transporting and bolting machine and transporting and bolting machine | Nong Zhang, Zhengzheng Xie, Qun Wei | 2021-08-03 |