Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11937398 | One-way airflow dual fan assembly that is of dismantling ease | Jiangen Yu, Jinghan Li | 2024-03-19 |
| 11180980 | Downhole oil, gas, water and sand separation method and separator | Yan Wang, Demin Wang, Rong Zhong, Quan Liu | 2021-11-23 |