Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10907474 | Reaming and self-rotating anchor rod and using method thereof | Nong Zhang, Zhengzheng Xie | 2021-02-02 |
| 10767480 | Extensible reaming self-anchoring anchor rod and supporting method thereof | Nong Zhang, Peng Ma, Zhengzheng Xie | 2020-09-08 |
| 10487654 | Anchoring method utilizing self-drilling and self-anchoring extendable anchor rod applicable to soft and weak coal rocks | Nong Zhang, Ke Yang, Zhengzheng Xie | 2019-11-26 |
| 10280750 | Full-roadway full-process full-cross-section surface deformation monitoring device and method | Nong Zhang, Zhengzheng Xie, Dongjiang Pan | 2019-05-07 |