Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798127 | Tandem brake pressure control valve with pressure-failure-compensating parallel piston | Roland Levrai, Pascal Picot | 1989-01-17 |
| 4709550 | Hydraulic assistance device | Jean-Paul Sauvee, Roland Levrai | 1987-12-01 |
| 4671168 | Single actuator tandem brake pressure control valve | Jean-Paul Sauvee, Roland Levrai | 1987-06-09 |
| 4614381 | Brake-pressure corrector sensitive to deceleration | Jean-Paul Sauvee | 1986-09-30 |
| 4503954 | Drum brake with controlled torque and torque control valve for such a brake | Gerard Volan, Pierre Pressaco | 1985-03-12 |
| 4365844 | Braking correcting valve for a dual braking circuit | Jean-Jacques Carre | 1982-12-28 |
| 4353599 | Braking corrector for double braking circuit | Jean-Jacques Carre | 1982-10-12 |
| 4292883 | Wheel cylinder | Roland Levrai | 1981-10-06 |