Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7019436 | Time- and event-controlled activation system for charging and discharging piezoelectric elements | Alexander Hock | 2006-03-28 |
| 6982516 | Compensation of batch variation in the travel due to variations in the layer thickness or number of layers in multi-layer piezoelectric elements | Wolfgang Stoecklein, Bertram Sugg | 2006-01-03 |
| 6826504 | Method and apparatus for controlling system parameters | Matthias Mrosik, Volker Pitzal, Udo Schulz | 2004-11-30 |
| 6718250 | Method and apparatus for providing control parameters to or within a control system | Martin Thomas, Josef Newald, Udo Schulz | 2004-04-06 |
| 6705291 | Fuel injection system | Matthias Mrosik, Volker Pitzal, Bertram Sugg, Friedrich Boecking, Udo Schulz | 2004-03-16 |
| 6700301 | Method and device for detecting a fault current across a piezoelectric actuator of an injector or its high voltage supply lead | Matthias Mrosik, Marco Gangi, Udo Schulz | 2004-03-02 |
| 6691682 | Online optimization of injection systems having piezoelectric elements | Dirk Samuelsen | 2004-02-17 |
| 6619268 | Method and apparatus for regulating voltages and voltage gradients for driving piezoelectric elements | Matthias Mrosik, Volker Pitzal, Udo Schulz | 2003-09-16 |
| 6573637 | Apparatus and method for detecting a load decrease when driving piezoelectric elements | Udo Schulz | 2003-06-03 |
| 6564771 | Fuel injection system for an internal combustion engine | Josef Newald, Udo Schulz | 2003-05-20 |
| 6539925 | Method and apparatus for determining charge quantity during charging and discharging of piezoelectric elements | Matthias Beckert, Udo Schulz | 2003-04-01 |
| 6522049 | Apparatus and method for detecting a short circuit to the battery voltage when driving piezoelectric elements | — | 2003-02-18 |
| 6509672 | Method and apparatus for charging a piezoelectric element | Patrick Mattes, Alexander Hock | 2003-01-21 |
| 6498418 | Fuel injection system | — | 2002-12-24 |
| 6380659 | Method and device for controlling a controller having a capacitive element | Wolfgang Ruehle, Hubert Stier, Matthias Boee, Guenther Hohl, Udo Schulz +1 more | 2002-04-30 |