Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247173 | Energy-saving process and device for recovering C2 from refinery dry gas | Hongguang Dong, Wenchang Chang, Haotian Ye, Zhizhong Han | 2025-03-11 |
| 11085693 | Method for controlling operation of refrigerator through mechanical rotary knob | Dongxiao Fu, Qinglin Liu | 2021-08-10 |