Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11976429 | Shed tunnel structure for preventing falling rock | Song Yuan, Xibao Wang, Liangpu Li, Peiyuan Liao, Sheng Zhang +10 more | 2024-05-07 |
| 11933416 | Gate valve device, cleaning method and mechanical apparatus | Liuguang WANG, Hongyang Wang, Jianqiao Yao | 2024-03-19 |
| D965243 | Hat rack | — | 2022-09-27 |
| 11072898 | Combined energy dissipation scaffolding structure for preventing falling rock for high and steep slope in seismic region | Changan Zhu, Yang Gao | 2021-07-27 |
| 10648334 | Laser-assisted tunnel boring machine and rock fragmenting method therefor | Yang Gao | 2020-05-12 |