Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258949 | Two-stroke pumping method and oil production device | Xianzhong Yi, Shifan Zhang, Xinbo Zhao, Jifang Wan, Yuanhua Zhou +5 more | 2025-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258949 | Two-stroke pumping method and oil production device | Xianzhong Yi, Shifan Zhang, Xinbo Zhao, Jifang Wan, Yuanhua Zhou +5 more | 2025-03-25 |