| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Chemical engineering | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Servomotors | |
| #3 | Pipes | |
| #4 | Separation | |
| #5 | Fluid heaters | |
| #6 | Pistons and sealings | |
| #7 | Lubricating |
| Publication | Filing date | Title |
|---|---|---|
| FR2547644A1 | Compressed air lubrication device | |
| FR2524580A1 | Distributor for compressed air circuit - has drive chambers cross connected to reduce air consumption |