| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Brazil | 1 | |
| #3 | Canada | 1 | |
| #4 | China | 1 | |
| #5 | Denmark | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | Norway | 1 | |
| #9 | Poland | 1 | |
| #10 | United States | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Fire-fighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nielsen Per Finn | 11 |
| Publication | Filing date | Title |
|---|---|---|
| DK149697A | Fire extinguishing device |