Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822907 | Wellbore seal energizing ring with retaining feature | Robert Jen-Yue Du, Dinesh Narayan, David L. Ford, Baozhi Zhu, Krishnanand Anandan +1 more | 2020-11-03 |
| 10233711 | Wellbore seal energizing ring with retaining feature | Robert Jen-Yue Du, Dinesh Narayan, David L. Ford, Baozhi Zhu, Krishnanand Anandan +1 more | 2019-03-19 |