Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550976 | High-pressure tolerant integrated leakage-proof sleeve compensator | Liang Hong, Guangjin Cao, Minghua YIN | 2020-02-04 |
| 10203056 | High-pressure tolerant integrated leakage-proof sleeve compensator | Lei Hong, Liang Hong, Guangjin Cao, Minghua YIN | 2019-02-12 |