Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863407 | Hydraulic oil cylinder, hydraulic cushion system, excavator and concrete pump truck | Yongdong Liu, Bingbing Chen | 2018-01-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863407 | Hydraulic oil cylinder, hydraulic cushion system, excavator and concrete pump truck | Yongdong Liu, Bingbing Chen | 2018-01-09 |