| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | Finland | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Canada | 1 | |
| #5 | Estonia | 1 | |
| #6 | Norway | 1 | |
| #7 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Cremation furnaces | |
| #2 | Domestic stoves for solid fuels | |
| #3 | Solid fuel combustion | |
| #4 | Climate change mitigation in buildings | |
| #5 | Grates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pieti Pauli | 10 |
| #2 | Hytoenen Onni Ilmari | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP1983262A2 | Adjustable Grate for a Burning Device | |
| EP1427963A1 | Burning device | |
| EP1402217A1 | Burner for solid fuel | |
| FI20020152A0 | Fireplace | |
| FI20011053A0 | Solid fuel burner |