Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118586 | Bailer-type long-shaft pump and application thereof | Yufeng Chang, Ye Grace Chen, Xiaofeng Gu, Hao Chen, Yibing Guan +4 more | 2021-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118586 | Bailer-type long-shaft pump and application thereof | Yufeng Chang, Ye Grace Chen, Xiaofeng Gu, Hao Chen, Yibing Guan +4 more | 2021-09-14 |