Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674920 | Subsea well template levelling system | Eugene Matsuda | 1987-06-23 |
| 4589689 | Energized seal for upper termination | — | 1986-05-20 |
| RE31645 | Safety apparatus for automatically sealing hydraulic lines within a sub-sea well casing | — | 1984-08-14 |
| 4190120 | Moveable guide structure for a sub-sea drilling template | — | 1980-02-26 |
| 4183562 | Marine riser conduit section coupling means | Bruce J. Watkins, William P. Slata | 1980-01-15 |