| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 9 | |
| #2 | Denmark | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Finland | 2 | |
| #5 | Norway | 2 | |
| #6 | United States | 2 | |
| #7 | Canada | 1 | |
| #8 | Germany | 1 | |
| #9 | France | 1 | |
| #10 | United Kingdom | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Olsson Sten Yngve | 6 |
| #2 | Nielsen Heine | 5 |
| #3 | Olsson S Y | 5 |
| #4 | Backman T L | 3 |
| #5 | Olsson Sten Y | 2 |
| #6 | Johansson J T | 2 |
| #7 | Nielsen H | 2 |
| #8 | Backman Torsten Lorentz | 2 |
| #9 | Backman T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0334828A2 | Combustion apparatus | |
| SE458146B | Burner for powdered fluid and gas-form fuel | |
| EP0152389A2 | Burner for burning pulverulent fuel | |
| SE8303815D0 | Circulation arrangement for heavy oil | |
| GB1578036A | Burner assemblies |