| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United States | 4 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Fluid fuel combustion | |
| #2 | Burners | |
| #3 | Casings for combustion chambers | |
| #4 | Combustion residues removal | |
| #5 | Grates | |
| #6 | Unspecified technologies | |
| #7 | Steam generation | |
| #8 | Drying solid materials by removing liquid |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eugen Burg | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB376572A | Improvements in boiler furnaces fired with pulverized coal | |
| US1946011A | Coal dust furnace | |
| US1943286A | Burner for furnaces | |
| US1762505A | Fireplace | |
| US1618808A | Apparatus for burning powdered fuel |