Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209475 | Delivering fluid to a subsea wellhead | John P. Spence, Birger Heigre | 2025-01-28 |
| 12203338 | Method and apparatus for cementing and cleaning a reservoir liner | Hans Martin Leistad, Donald R. Girdler | 2025-01-21 |