Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10260497 | Power unit of hydraulic pumping unit and corresponding hydraulic pumping unit | Pei Sun, Yongbo Chen | 2019-04-16 |
ZL
Zhengzhong Lei
Overall (2019): #201,363 of 560,194Top 40%
1
Patents 2019