Issued Patents 2024
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12084973 | Blockage-proof water diversion and drainage devices for highway tunnel construction | Guoyu Li, Dun Chen | 2024-09-10 |
| 12085212 | Pipeline support devices for preventing melting and sinking based on gas heat exchange | Guoyu Li, Changqing Li, Kai Gao, Dun Chen | 2024-09-10 |
| 12065797 | Rod-type pile foundation for preventing pile body from being heaved and operating method thereof | Guoyu Li, Sai Ying, Dun Chen, Qingsong Du | 2024-08-20 |
| 11891771 | Devices for preventing frost heaving and thawing settlement | Guoyu Li, Wei-Yin Ma, Zhixiang Chen, Buxiang Wang, Dun Chen | 2024-02-06 |
| 11892101 | Anti-frost heaving supports and methods for crude oil pipelines crossing permafrost regions | Guoyu Li, Wei-Yin Ma, Dun Chen, Kai Gao, Gang Wu | 2024-02-06 |