| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 35 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Environmental technology | |
| #4 | Engines, pumps and turbines | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Servomotors | |
| #3 | Electrical vehicle propulsion | |
| #4 | Climate change mitigation in transportation | |
| #5 | Railway bodies | |
| #6 | Burners | |
| #7 | Pistons and sealings | |
| #8 | Vehicle brake control systems | |
| #9 | Pumps | |
| #10 | Rotary-pistons |
| Publication | Filing date | Title |
|---|---|---|
| FR974231A | Automatic bypass device |