Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209377 | Device for attenuating underwater sound pressure and the use of such a device | — | 2025-01-28 |
| 9611010 | Reducing drag of a hull of a ship | — | 2017-04-04 |
| 9476274 | Apparatus and system and method of measuring data in a well extending below surface | Graham Edmonstone | 2016-10-25 |
| 7672825 | Closed loop control system for controlling production of hydrocarbon fluid from an underground formation | Dirk Roelof Brouwer, Johan Dirk Jansen, Cornelis Petrus Josephus Walthera Van Kruijsdijk, Renato Markovinovic | 2010-03-02 |
| 7347282 | Steerable soil penetration system | Michael John Betts, Josef Guillaume Christoffel Coenen, Peter Oosterling, Paul Dirk Schilte, Pleun Marinus Van Der Sman +1 more | 2008-03-25 |
| 6742585 | Sealing off openings through the wall of a well tubular | Stephen Richard Braithwaite, Wilhelmus Hubertus Paulus Maria Heijnen | 2004-06-01 |