Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7231983 | Split locking ring for wellhead components | Huy LeQuang, Joseph Shu Yian Liew, Brian J. Baca, Hoa Nguyen | 2007-06-19 |
| 6857471 | Split base plate assembly for multiple completion wellheads | Appavoo Thangarasu, Bernard Ong, Bimo Wiratnanto, Joseph Shu Yian Liew | 2005-02-22 |