| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Canada | 2 | |
| #4 | China | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Hungary | 2 | |
| #7 | Brazil | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Singapore | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Thermal processes | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Cremation furnaces | |
| #2 | Drying solid materials by removing liquid | |
| #3 | Fluid fuel combustion | |
| #4 | Combustion residues removal | |
| #5 | Steam generation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ruottu Seppo | 17 |
| #2 | Seppo Ruottu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP2959245A1 | Circulating mass dryer and method for drying wet sludge | |
| WO2014128357A1 | Method and apparatus for combustion of sludge | |
| FI20110017A0 | A method for improving the operation of a circulating reactor and a circulating reactor implementing the method |