Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427452 | Independent double-negative-pressure shale shaker | Yongjun Hou, Duyu Hou, Pan Fang, Yuwen Wang | 2025-09-30 |
| 12146373 | Underbalanced drilling vibrating screen integrated with automatic drainage and vacuum chucks | Yongjun Hou, Duyu Hou, Pan Fang, Yuwen Wang | 2024-11-19 |
| 11802450 | Negative pressure shale shaker integrated with negative pressure generation and gas-liquid separation | Yongjun Hou, Yuwen Wang, Pan Fang, Duyu Hou | 2023-10-31 |