Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12237794 | Method for protecting motor from overheating | Xiaosan XU, Hairong Sun, Jie Zhang | 2025-02-25 |
| 12215580 | Differential pressure sliding sleeve, and oil and gas well fracturing construction method using same | Shunqu Hu, Yongmao Lin, Wei Zhao, Zhi Xie, Zhimin Hou +4 more | 2025-02-04 |