Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9791056 | Energy-recycling hydraulic control main valve | Liping Wang, Qiang Lu, Zhan Chen, Guoliang Zhang | 2017-10-17 |
| 9745724 | Pressure compensation valve | Liping Wang, Caifu Yuan, Qiang Lu, Zhan Chen | 2017-08-29 |