Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8239115 | Method and device for offsetting bounce effects in a piezo-actuated injection system of an internal combustion engine | Stefan Ascher, Hans-Jörg Wiehoff | 2012-08-07 |
| 7690358 | Method and device for controlling a valve | Richard Pirkl, Hans-Jörg Wiehoff | 2010-04-06 |
| 5727126 | Self-programming circuit | Herbert Eichfeld | 1998-03-10 |