| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 14 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Measurement | |
| #3 | Environmental technology | |
| #4 | Packaging and shipping | |
| #5 | Machine tools | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Fluid heaters | |
| #2 | Steam generation | |
| #3 | Feeding fuel to combustion device | |
| #4 | Solid fuel combustion | |
| #5 | Domestic stoves for solid fuels | |
| #6 | Preparation of materials | |
| #7 | Cranes | |
| #8 | Combustion residues removal | |
| #9 | Punching metal | |
| #10 | Measuring volume |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duruble Roland Georges Gustave | 6 |