| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 4 | |
| #2 | Finland | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Textiles and paper | |
| #4 | Thermal processes | |
| #5 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hallapuro Markus | 11 |
| #2 | Rajala Pasi | 4 |
| #3 | Hämäläinen Niko | 1 |
| #4 | Huhmarniemi Juhani | 1 |
| #5 | Markus Hallapuro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI20185875A1 | An air re-circulation system and a method for a dryer section of a board or paper machine | |
| CN110500877A | For adjusting the structures and methods of moist exhaust air | |
| FI20165617A | A method and an arrangement for recirculating air in a drying process | |
| FI20140051A | The heat recovery cell |