Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7040297 | Method for controlling a piezo-actuated fuel-injection valve | Dirk Baranowski, Lorand D'Ouvenou, Hellmut Freudenberg, Christian Hoffmann, Richard Pirkl | 2006-05-09 |
| 6459244 | Method and device for charging a capacitive actuator | Christian Hoffmann, Richard Pirkl | 2002-10-01 |
| 6435162 | Method and apparatus for charging at least one capacitive control element | Walter Schrod | 2002-08-20 |