Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441729 | Device for recovering, separating and purifying oil mist in minimum quantity lubricant grinding process | Changhe Li, Zhenjing Duan, Huajun Cao, Naiqing Zhang, Lan Dong +8 more | 2022-09-13 |