| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 11 | |
| #2 | France | 7 | |
| #3 | Germany | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Control | |
| #3 | Mechanical elements | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves | |
| #2 | Fluid heaters | |
| #3 | Systems controlling non-electric variables | |
| #4 | Venting or aerating devices | |
| #5 | Controlling combustion | |
| #6 | Shaping clay | |
| #7 | Burners |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frege Dipl-Ing Johannes | 1 |
| #2 | Schneider Dipl-Ing Johannes | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE720854C | Device for setting a number of different usage temperatures for gas-heated baking and roasting ovens | |
| GB472535A | Improvements in kitchen stoves for solid fuel or solid fuel and gas combustion | |
| DE715371C | Gas stove with oven or roasting pipe | |
| GB383887A | Improvements in heaters for liquids |