| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 3 | |
| #2 | Norway | 3 | |
| #3 | Canada | 2 | |
| #4 | Sweden | 2 | |
| #5 | Germany | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Finland | 1 | |
| #8 | France | 1 | |
| #9 | Italy | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Object sterilising | |
| #2 | Pumps | |
| #3 | Special electric heating or lighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brundbjerg Niels | 13 |
| Publication | Filing date | Title |
|---|---|---|
| FI790560A | Luftrensare av regenerationstypen | |
| DK141541B | Regeneration-type air purifier comprising an ozone lamp. | |
| DE2528321A1 | PISTON PUMP |