| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 3 | |
| #2 | United States | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Norway | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Brazil | 1 | |
| #7 | Germany | 1 | |
| #8 | France | 1 | |
| #9 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ohlsson Weimar | 13 |
| #2 | Waimaaru Ooruson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0375674A1 | A quick coupling for interconnection of two high-pressure fluid conduits. | |
| US4647079A | Quick-coupling assembly | |
| EP0115488A1 | Quick-coupling assembly. | |
| BR8307464A | Fast coupling set | |
| DE2822259A1 | QUICK COUPLING FOR PIPE-SHAPED PIPES, IN PARTICULAR FOR LIQUIDS |