| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Safety devices | |
| #5 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gudmestad Tarald | 6 |
| #2 | Moen Terje | 2 |
| #3 | Skorve Helge | 2 |
| #4 | Underhaug Njal | 2 |
| #5 | Eriksen Erik Peter | 2 |
| #6 | Nicht Erkannt | 2 |
| #7 | Kvernstuen Ole Sv | 2 |
| #8 | Salte Jone | 1 |
| #9 | Brooks Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9427026A1 | Means in a downhole cement plug system |