| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | Norway | 3 | |
| #3 | United States | 3 | |
| #4 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Thermal processes | |
| #3 | Environmental technology | |
| #4 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Voelstad Ove Charles | 7 |
| #2 | Voelstad Ove C | 3 |
| #3 | Vølstad Ove Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2005014951A1 | Temperature and vapour pressure regulation device for a structure |