| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 14 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements | |
| #3 | Foods and drinks | |
| #4 | Chemical engineering | |
| #5 | Environmental technology | |
| #6 | Machine tools | |
| #7 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Grates | |
| #2 | Combustion residues removal | |
| #3 | Pasteurisation | |
| #4 | Pistons and sealings | |
| #5 | Blasting | |
| #6 | Hand-held cutting tools | |
| #7 | Chemical or physical processes | |
| #8 | Burners | |
| #9 | Casings for combustion chambers | |
| #10 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schenk Otto | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB414669A | Improvements in furnace grates | |
| DE567443C | Single-walled pressure vessel that can be indirectly heated or cooled | |
| DE467982C | Pocket air heater | |
| DE507668C | Troughed grate with a sliding grate designed as a moving grate |