Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11787991 | Disintegrable rubber seal, method of manufacture, and application thereof | Lei Zhao, Zhihui Zhang, Guijun Deng | 2023-10-17 |
| 11692418 | Inflow control device, method and system | Zhihui Zhang, Bin Zhu, Guijun Deng, Ronnie D. Russell | 2023-07-04 |