Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12196722 | Dynamic crack leaking stoppage evaluation experiment device and experiment method | Chengyun Ma, Jingen Deng | 2025-01-14 |
| 10837269 | Multi-stage fracturing sliding sleeve | Fucheng Deng, Jingen Deng | 2020-11-17 |