Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970270 | Movable combined sand control pipe of axial and radial slotted screen pipes | Yonghong Liu, Renjie Ji, Quansheng Zhang, Xiaopeng Li, Qingyun Li | 2018-05-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970270 | Movable combined sand control pipe of axial and radial slotted screen pipes | Yonghong Liu, Renjie Ji, Quansheng Zhang, Xiaopeng Li, Qingyun Li | 2018-05-15 |