Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11933138 | Sliding sleeve device | Zhimin Hou, Dan Hu, Qiang Wang, Yijun Zhou, Chen Chen +4 more | 2024-03-19 |
| 11885201 | Sliding sleeve | Zhenwei Gan, Bin Qi, Shunqu Hu, Zhimin Hou, Yongmao Lin +4 more | 2024-01-30 |