| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Bulgaria | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Czechia | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Hungary | 1 | |
| #9 | Mexico | 1 | |
| #10 | Poland | 1 | |
| #11 | Romania | 1 | |
| #12 | WIPO (World Intellectual Property Organization) | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Thermal processes | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Air-conditioning | |
| #3 | Climate change mitigation in buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hansen Ole | 12 |
| #2 | Hansen O | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA200300958B | A ventilating device and a building comprising such a ventilating device. |