| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 6 | |
| #2 | Finland | 4 | |
| #3 | Canada | 3 | |
| #4 | Denmark | 3 | |
| #5 | Netherlands | 3 | |
| #6 | Sweden | 3 | |
| #7 | Austria | 2 | |
| #8 | Australia | 2 | |
| #9 | Belgium | 2 | |
| #10 | Germany | 2 | |
| #11 | France | 2 | |
| #12 | United Kingdom | 2 | |
| #13 | United States | 2 | |
| #14 | WIPO (World Intellectual Property Organization) | 2 | |
| #15 | Switzerland | 1 | |
| #16 | EPO (European Patent Office) | 1 | |
| #17 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Thermal processes | |
| #4 | Computer technology | |
| #5 | Environmental technology | |
| #6 | Organic fine chemistry | |
| #7 | Basic materials chemistry | |
| #8 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tengesdal Paul | 32 |
| #2 | Jensen Sigbjoern | 5 |
| #3 | Jensen Sigbjorn | 3 |
| #4 | Jensen Sigbj Rn | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO02070931A1 | A device of a closable fluid flow valve, special use of the valve and a method associated with the closing and opening of the valve | |
| EP1325253A1 | Device for controlling a flow of fluid | |
| DK306787D0 | Air valve | |
| DK251085D0 | Ventilating installation of ventilator with heat recovery | |
| ATA384882A | Arrangement for fixing panels to a frame construction |