Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203910 | Casing hanger and annulus sealing device running tool for deepwater drilling, and method for using the same | Yanbin Wang, Deli Gao, Jing Zeng | 2021-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203910 | Casing hanger and annulus sealing device running tool for deepwater drilling, and method for using the same | Yanbin Wang, Deli Gao, Jing Zeng | 2021-12-21 |