| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | United Kingdom | 3 | |
| #3 | Germany | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Supplying fuel to combustion device | |
| #2 | Gearing | |
| #3 | Heat-exchanger without contact | |
| #4 | Separation | |
| #5 | Heat-exchange device details | |
| #6 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Prat Georges-Jules | 7 |
| #2 | De Beauvais Georges Marie Gero | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1705471A | Heat interchanger of the plate type | |
| GB163019A | Improvements in or connected with fans for producing chimney draught | |
| GB140377A | Improvements in or relating to change-speed gear | |
| GB147358A | Improved means for driving helicoidal fans |