| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | Finland | 3 | |
| #3 | Canada | 2 | |
| #4 | Australia | 1 | |
| #5 | United States | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Chemical engineering | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Separation | |
| #3 | Gas-flow silencers for machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Puumalainen Pertti | 11 |
| #2 | Paakkanen Heikki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9311855A1 | Method to purify gases | |
| FI904997A0 | Procedure for determining gas content of ingredients | |
| FI904845A0 | Imaging method for determining the structure of bodies |