| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | Switzerland | 2 | |
| #3 | United Kingdom | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Transport | |
| #3 | Weapons | |
| #4 | Foods and drinks |
| # | Technology | |
|---|---|---|
| #1 | Locomotives | |
| #2 | Supplying fuel to combustion device | |
| #3 | Steam condensers | |
| #4 | Military vessels | |
| #5 | Refrigerators | |
| #6 | Ships | |
| #7 | Vehicle tyre repairing | |
| #8 | Food preservation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rau Rodolphe | 10 |
| #2 | Rodolphe Rau | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB144739A | Improvements in or relating to condensers and coolers | |
| US1357473A | Protection of ships in groups or convoys |