Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570583 | Power equipment, driving device of trench cutter and trench cutter | YanLing Luo, Wen Zheng | 2020-02-25 |
| 10534381 | Self-contained pressure compensation system | Yong Qiang Li, Wen Zheng | 2020-01-14 |