| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 59 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Engines, pumps and turbines | |
| #4 | Control |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Springs | |
| #3 | Aeroplanes | |
| #4 | Pumps | |
| #5 | Clutches and brakes | |
| #6 | Vehicle suspension arrangements | |
| #7 | Vehicle brake control systems | |
| #8 | Systems controlling non-electric variables | |
| #9 | Pistons and sealings | |
| #10 | Gearing |
| Publication | Filing date | Title |
|---|---|---|
| FR1118929A | Pressure regulator for fluids under pressure |