| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 28 | |
| #2 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Solid fuel combustion | |
| #2 | Grates | |
| #3 | Steam generation | |
| #4 | Fluid fuel combustion | |
| #5 | Transport or storage devices | |
| #6 | Supplying fuel to combustion device |
| Publication | Filing date | Title |
|---|---|---|
| GB279178A | Improvements in vertical water tube boilers | |
| GB243922A | Improvements in steam boiler plants | |
| GB214808A | Improvements in and relating to furnaces |