| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | Norway | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Edman Oesten | 9 |
| #2 | Edman Osten | 2 |
| #3 | Edman Östen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP2205815A1 | A method and a device for jointing tubes | |
| WO9706337A1 | Drilling method and casing shoe |