Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11293284 | Umbrella-shaped anchor for quick reinforcement of rock mass, and application method | Yonghui Cheng, Yong Xiong, Shenggang HU, Jiali Ren, Zunyang Ding | 2022-04-05 |
| 11214938 | Construction method for pouring concrete in karst cave | Mengxiong TANG, Hesong HU | 2022-01-04 |