| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 12 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Basic materials chemistry | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Fluid heaters | |
| #2 | Feeding fuel to combustion device | |
| #3 | Preheating for stem generation | |
| #4 | Fuels | |
| #5 | Steam generation | |
| #6 | Domestic stoves | |
| #7 | Spraying devices | |
| #8 | Solid fuel combustion | |
| #9 | Supplying fuel to combustion device |
| # | Name | Total Patents |
|---|---|---|
| #1 | Emil Rohrbach | 10 |
| #2 | Heinz Bangerter | 2 |
| #3 | Rohrbach Emil | 2 |
| #4 | Adolf Fleuti | 2 |
| #5 | Friedrich Gysi | 1 |
| #6 | Haesler Emil | 1 |