| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 15 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Agriculture | |
| #3 | Engines, pumps and turbines | |
| #4 | Chemical engineering | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Fluid fuel combustion | |
| #2 | Fluid heaters | |
| #3 | Animal catching | |
| #4 | Domestic stoves | |
| #5 | Feeding fuel to combustion device | |
| #6 | Horticulture | |
| #7 | Venting or aerating devices | |
| #8 | Gas-turbine plants | |
| #9 | Lubricating of machines | |
| #10 | Mixing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Huber Dr-Ing Ludwig | 9 |
| #2 | Haag Franz | 4 |
| #3 | Haag Franz Anton | 2 |
| #4 | Strittmatter Bernhard | 1 |
| #5 | Duerr Dipl-Ing Walter | 1 |