Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11867360 | Closed-loop safety ventilation system for fully-mounded tank | Yunsheng Ma, Liqiu Zhao, Shiheng Ma, Bo Yan, Qingsong Zhao +1 more | 2024-01-09 |
| 11774041 | Integral side slope structure of soil covering tank | Yunsheng Ma, Liqiu Zhao, Ziping Zhang, Qingsong Zhao, Chongchong Zhang +3 more | 2023-10-03 |
| 11702277 | Fully soil-covered structure of vertical tank body | Yunsheng Ma, Liqiu Zhao, Shiheng Ma, Bo Yan, Qingsong Zhao +1 more | 2023-07-18 |