Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9347016 | Industrial gear lubricating oil composition used for resisting micro-pitting | Xiuling Hua, Jie Zhang | 2016-05-24 |
| 9296973 | Lubricating oil composition for use in all transmission systems | Liping Mi, Jing Xu | 2016-03-29 |
| 6774092 | Additive composition for gearbox oil | Xiuling Hua | 2004-08-10 |