| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Details of furnaces | |
| #2 | Casings for combustion chambers | |
| #3 | Combustion residues removal | |
| #4 | Supplying fuel to combustion device | |
| #5 | Milling |
| Publication | Filing date | Title |
|---|---|---|
| GB259725A | An improved exchangeable furnace arch | |
| GB250459A | Improvements in steam boiler, industrial and like furnaces |