Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11774041 | Integral side slope structure of soil covering tank | Yunsheng Ma, Liqiu Zhao, Ziping Zhang, Chenghe Zhang, Chongchong Zhang +3 more | 2023-10-03 |
| 11702277 | Fully soil-covered structure of vertical tank body | Yunsheng Ma, Liqiu Zhao, Chenghe Zhang, Shiheng Ma, Bo Yan +1 more | 2023-07-18 |
| 11702279 | Built-in valve chamber of tank completely covered with soil | Yunsheng Ma, Liqiu Zhao, Ziping Zhang, Shiheng Ma, Chongchong Zhang +3 more | 2023-07-18 |