| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 2 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Republic of Korea | 1 | |
| #8 | Norway | 1 | |
| #9 | Singapore | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Venting or aerating devices | |
| #3 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Olsen Erling | 11 |
| Publication | Filing date | Title |
|---|---|---|
| WO2011149358A1 | Valve arrangement of a blind flange valve |