Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11913312 | Intelligent oil extraction system using all-metal screw pump | Haiyang Liang, Guang Zhou, Xuelei Sun, Zhihai Zhang | 2024-02-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11913312 | Intelligent oil extraction system using all-metal screw pump | Haiyang Liang, Guang Zhou, Xuelei Sun, Zhihai Zhang | 2024-02-27 |