Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6857822 | Riser system employing a tensioning mechanism | Alan Gregory Hooper, Yves Joseph Guy De Leeneer | 2005-02-22 |
| 6000480 | Arrangement in connection with drilling of oil wells especially with coil tubing | — | 1999-12-14 |