Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359466 | Perforating device for horizontal wells | Guosheng YANG, Yong Liao, Zhihua Zhang, Liang Ye, Jiang Zhu +9 more | 2022-06-14 |
| D949658 | Knife sharpener | — | 2022-04-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359466 | Perforating device for horizontal wells | Guosheng YANG, Yong Liao, Zhihua Zhang, Liang Ye, Jiang Zhu +9 more | 2022-06-14 |
| D949658 | Knife sharpener | — | 2022-04-26 |