| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 4 | |
| #2 | Brazil | 3 | |
| #3 | Canada | 3 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | United States | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Australia | 1 | |
| #8 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Strand Harald | 18 |
| Publication | Filing date | Title |
|---|---|---|
| CA2562891A1 | A telescopic conductor casing for a well installation and a method of driving same into the underground | |
| EP1264067A1 | Foundation for suction in installation of conductor casing | |
| CA2173416A1 | Inserting device for coiled tubing |