| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 5 | |
| #2 | Denmark | 3 | |
| #3 | EAPO (Eurasian Patent Organization) | 3 | |
| #4 | EPO (European Patent Office) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heijnen Wilhelmus Hubertus Paulus Maria | 14 |
| #2 | Peters Robert Bouke | 6 |
| #3 | Brink David Ian | 4 |
| Publication | Filing date | Title |
|---|---|---|
| DK200970245A | An apparatus for sealing off a part of a wall in a section drilled into an earth formation, and a method for applying the apparatus | |
| DK200970180A | Well Interior | |
| DK200901032A | A device and a system and a method of examining a tubular channel |