Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619268 | Method and apparatus for regulating voltages and voltage gradients for driving piezoelectric elements | Johannes-Jörg Rueger, Matthias Mrosik, Volker Pitzal | 2003-09-16 |
| 6573637 | Apparatus and method for detecting a load decrease when driving piezoelectric elements | Johannes-Jörg Rueger | 2003-06-03 |
| 6564771 | Fuel injection system for an internal combustion engine | Johannes-Jörg Rueger, Josef Newald | 2003-05-20 |
| 6539925 | Method and apparatus for determining charge quantity during charging and discharging of piezoelectric elements | Johannes-Jörg Rueger, Matthias Beckert | 2003-04-01 |
| 6505609 | Method and device for driving at least one load | Juergen Biester | 2003-01-14 |