Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398624 | Self-energizing seal for expandable liner hanger | Xiaoguang Allan Zhong, Shobeir Pirayeh Gar, Chee Sing Kelvin Loh | 2025-08-26 |
| 12134956 | Liner hanger system | Xiaoguang Allan Zhong, Daniel Newton | 2024-11-05 |