| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 5 | |
| #2 | United States | 5 | |
| #3 | Canada | 4 | |
| #4 | Finland | 4 | |
| #5 | Australia | 3 | |
| #6 | Norway | 3 | |
| #7 | New Zealand | 3 | |
| #8 | Austria | 2 | |
| #9 | Germany | 2 | |
| #10 | Brazil | 1 | |
| #11 | France | 1 | |
| #12 | Portugal | 1 | |
| #13 | WIPO (World Intellectual Property Organization) | 1 | |
| #14 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Chemical engineering | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Paper recycling | |
| #2 | Separation | |
| #3 | Treatment of paper-making materials | |
| #4 | Mixing | |
| #5 | Non-positive-displacement pumps | |
| #6 | Special wind, spring and weight motors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ahlgren Aaro | 19 |
| #2 | Eriksson Juho | 9 |
| #3 | Suoninen Lassi | 8 |
| #4 | Tikka Panu | 6 |
| #5 | Haapamaeki Pertti | 6 |
| #6 | Tikka Panu Olavi | 4 |
| #7 | Haapamaki Pertti | 3 |
| #8 | Tikka Panu O | 2 |
| #9 | Hiljanen Seppo T | 2 |
| #10 | Luntamo Juhani | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5183535A | Process for preparing kraft pulp using black liquor pretreatment reaction | |
| FI913160A0 | Batch process for making kraft pulp | |
| FI900663A0 | Method for preparing sulphate pulp | |
| NZ231914A | Filtering pulp with drum type filter | |
| NZ231915A | Thickening pulp slurry using filter drum | |
| FI885228A0 | Procedure for thickening suspension and treating with liquid drum filter | |
| FI884730A0 | Foerfarande och anordning foer filtrering av suspension. | |
| US4999085A | Method for screening of defibered chlorine dioxide bleached pulp during alkaline extraction |