Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6857471 | Split base plate assembly for multiple completion wellheads | Bernard Ong, Kevin Kok Sum Lim, Bimo Wiratnanto, Joseph Shu Yian Liew | 2005-02-22 | $14,673,000 |
| 5180008 | Wellhead seal for wide temperature and pressure ranges | Tod Aldridge, John A. Fitzgerald, Allan K. McGregor, Ronald D. Quates, Rudolf R. Schoen +1 more | 1993-01-19 | $3,145,000 |