| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Thermal processes | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Locomotives | |
| #2 | Steam generation | |
| #3 | Machines | |
| #4 | Motor vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zappa Edouard | 10 |
| #2 | Souillard Maurice | 6 |
| #3 | Schars Alphonse-Joseph | 4 |
| #4 | Edouard Zappa | 1 |
| #5 | Maurice Souillard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191002709A | Improvements in Rail-sanding Apparatus for Locomotives and the like Vehicles. |