| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Brazil | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nordstroem Olle | 7 |
| #2 | Goeransson Carr Lage | 3 |
| #3 | Goransson Carr Lage | 1 |
| #4 | Mattsson B | 1 |
| #5 | Nordstrom Olle | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9829680A1 | Coupling device for detachable connection to the end of a tube | |
| BR9508817A | Tube coupling with an indicating device used for visual inspection of the proper locking / sealing position | |
| BR9508626A | Method of manufacturing a tube coupling and a tube coupling and conduit manufactured according to said method |