Issued Patents All Time
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 (All Time): #2,852,182 of 4,157,543Top 70%
1
Patents All Time