Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333161 | Curved surface processing method for inlet edge of cylindrical blade of centrifugal pump impeller | Qihua ZHANG, Weidong Zhang, Zhaoxu Yan | 2022-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333161 | Curved surface processing method for inlet edge of cylindrical blade of centrifugal pump impeller | Qihua ZHANG, Weidong Zhang, Zhaoxu Yan | 2022-05-17 |