Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11841018 | All-metal conical combined screw pump suitable for petroleum field | Guang Zhou, Zhihai Zhang | 2023-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11841018 | All-metal conical combined screw pump suitable for petroleum field | Guang Zhou, Zhihai Zhang | 2023-12-12 |