| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 3 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Republic of Korea | 2 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | China | 1 | |
| #7 | Sweden | 1 | |
| #8 | Singapore | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering | |
| #3 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lekeberg Hans | 12 |
| #2 | Lekeberg Nils | 8 |
| #3 | Lekberg Nils | 4 |
| #4 | Karlsson Bengt-Göran | 4 |
| #5 | Wirén Jesper | 3 |
| #6 | Wiren Jesper | 2 |
| #7 | Karlsson Bengt Goeran | 1 |
| #8 | Bengt-Göran Karlsson | 1 |
| #9 | Hans Lekeberg | 1 |
| #10 | Nils Lekeberg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2021029809A1 | A battery device for a ventilation system | |
| WO2019240661A1 | Self-cleaning ventilation unit | |
| WO2019048542A1 | A fluid conduit unit for a ventilation system | |
| BR112018067397A2 | system, method and a filter for ventilation |