| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 190 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Engines, pumps and turbines | |
| #4 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Clutches and brakes | |
| #3 | Servomotors | |
| #4 | Pumps | |
| #5 | Springs | |
| #6 | Vehicle brake control systems | |
| #7 | Vehicle suspension arrangements | |
| #8 | Venting or aerating devices | |
| #9 | Alloys | |
| #10 | Motor vehicles |
| Publication | Filing date | Title |
|---|---|---|
| FR1318669A | Radiant cylinder hydraulic pump | |
| FR1247443A | Radial pump with automatically adjusted flow | |
| FR1240080A | Hydraulic star cylinder pump for high pressures and high rpm | |
| FR73096E | Barrel pump | |
| FR1170338A | High temperature resistant seal |