Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4903771 | Method for establishing effective barriers to production of undesired fluids in the recovery of oil | Jan E. Hanssen | 1990-02-27 |
| 4751842 | Means and method for measuring a multi-phase distribution within a flowing petroleum stream | Arild Boe, Frank Schmidt, Endre Jacobsen, Rune W. Time, Harald Vatne | 1988-06-21 |