| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | New Zealand | 2 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Grates | |
| #2 | Solid fuel combustion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bartels Martin Dipl Ing | 2 |
| #2 | Doerges Eugen | 2 |
| #3 | Weiss Manfred | 2 |
| #4 | Weiss M | 1 |
| #5 | Ahva K | 1 |
| #6 | Bartels Martin | 1 |
| #7 | Doerges Eugen Dipl Ing | 1 |
| #8 | Bartels M | 1 |
| #9 | Ahva Kauko | 1 |
| #10 | Doerges Eugen Dipl-Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3612391A1 | SLOPED GRID FOR FIREPLACES | |
| AU3185984A | Inclined grate for furnace | |
| DE3428586A1 | Sloping grate for furnaces | |
| DE3326694A1 | SLOPED GRID FOR FIREPLACES |