Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9689908 | Method for determining the opening and/or closing time of the nozzle needle of an injection valve | Hans-Joerg Wiehoff | 2017-06-27 |
| 8239115 | Method and device for offsetting bounce effects in a piezo-actuated injection system of an internal combustion engine | Reiner Lederle, Hans-Jörg Wiehoff | 2012-08-07 |
| 8186204 | Method and device for dynamically determining a segment for an angular spread, inside which fuel is injected into an internal combustion engine | Hans-Jörg Wiehoff | 2012-05-29 |