| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | France | 3 | |
| #3 | Austria | 2 | |
| #4 | Switzerland | 2 | |
| #5 | United Kingdom | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Supplying fuel to combustion device | |
| #3 | Grates | |
| #4 | Fluid fuel combustion | |
| #5 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cruse Co Dr Hans | 2 |
| #2 | Brauer Max | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE357905C | Grate bar | |
| DE389413C | Pulling system that can be switched to natural pull, with riser duct for natural pull and parallel fan duct, in the foot of which a centrifugal fan with an axial suction opening is installed | |
| GB161488A | Improvements in or relating to forced draught furnaces | |
| DE329973C | Atomizing burner with a rotating atomizing body | |
| DE349190C | Underwind grate firing | |
| DE328238C | Atomizer burner for liquid fuels with rotating atomizing body | |
| US1094521A | Air-filter. | |
| DE349191C | Underwind grate firing |