Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9869313 | Oil pump, engine cover and engine comprising the same | Jing Liu, Haibin Li, Jinchen Lin | 2018-01-16 |
| 9752472 | Oil pump, engine cover and engine comprising the same | Jing Liu, Haibin Li, Jinchen Lin | 2017-09-05 |
| 9512837 | Oil pump, engine cover and engine comprising the same | Jing Liu, Haibin Li, Jinchen Lin | 2016-12-06 |
| 9005661 | Osmotic pump controlled release tablet and preparation method thereof | Qingwei Jiang, Weifeng Yi, Quanzhi Liu, Wenbin Yang | 2015-04-14 |