Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047950 | Throttle valve body with a tapered channel on one side of its axis and a tapered flap on the opposite side thereof | Michael Pontoppidan | 2000-04-11 |
| 5497746 | Two-stage valve for feeding air to injectors of an internal combustion engine | Jean-Pierre Joigneau | 1996-03-12 |
| 5374031 | Butterfly-valve assembly having an admission passage of progressively-changing shape, and method of manufacturing same | Michael Pontoppidan | 1994-12-20 |
| 5357931 | Supply device with built-in pipework | — | 1994-10-25 |
| 5275375 | Rotary throttle member and a throttle body for an internal combustion engine | — | 1994-01-04 |
| 4336779 | Carburation devices | — | 1982-06-29 |