Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8220424 | Error correction during the operation of electrohydraulic valve control systems | Thomas Rommel, Hermann Gaessler, Milos Medvecky | 2012-07-17 |
| 7552704 | Procedure to operate an internal combustion engine with an electrohydraulic valve control | Hermann Gaessler | 2009-06-30 |
| 7143726 | Method and device for controlling the opening of an intake valve of an internal combustion engine | Hermann Gaessler, Ernst Wild, Udo Diehl, Rainer Walter, Ruediger Weiss +9 more | 2006-12-05 |
| 7134410 | Detachable connection for coupling a gas exchange valve of an internal combustion engine to an actuator | Hermann Gaessler, Udo Diehl, Rainer Walter, Andreas Baumann, Gerhard Filp +10 more | 2006-11-14 |
| 7124717 | Method and device for operating an internal combustion engine | Hermann Gaessler, Udo Diehl, Rainer Walter, Andreas Blumenstock, Bernd Rosenau +5 more | 2006-10-24 |
| 7007642 | Hydraulic valve actuator for actuating a gas-exchange valve | Udo Diehl, Uwe Hammer | 2006-03-07 |
| 6948463 | Cylinder head | Michael Huebel, Uwe Hammer, Volker Beuche, Peter Lang, Stefan Reimer | 2005-09-27 |
| 6935286 | Connection between a stem end on a gas exchange valve in an internal combustion engine and a sleeve-like actuator body of a valve actuator | Georg Mallebrein, Hermann Gaessler, Udo Diehl, Rainer Walter, Stefan Reimer +8 more | 2005-08-30 |
| 6915731 | Cylinder piston drive | Uwe Hammer, Stefan Reimer, Ralph Engelberg | 2005-07-12 |
| 6857403 | Hydraulically controlled actuator for activating a valve | Udo Diehl, Bernd Rosenau, Uwe Hammer, Stefan Reimer, Volker Beuche +1 more | 2005-02-22 |
| 6854431 | Internal combustion engine comprising a hydraulic system | Hermann Gaessler, Udo Diehl, Rainer Walter, Bernd Rosenau, Stefan Franzl +4 more | 2005-02-15 |
| 6848400 | Gas exchange valve mechanism for an internal combustion engine | Hermann Gaessler, Udo Diehl, Rainer Walter, Juergen Schiemann, Christian Grosse +2 more | 2005-02-01 |
| 6807956 | Method for a cylinder-charge control in the case of an internal combustion engine | Hermann Gaessler, Udo Diehl, Rainer Walter, Bernd Rosenau, Juergen Schiemann +3 more | 2004-10-26 |
| 6802299 | Method and device for controlling the operation of an internal combustion engine | Rainer Walter, Bernd Rosenau, Udo Diehl, Hermann Gaessler, Juergen Schiemann +4 more | 2004-10-12 |
| 6779496 | Pressure reservoir for exerting pressure on a hydraulic system, with which preferably a gas exchange valve of an internal combustion engine is actuated | Hermann Gaessler, Udo Diehl, Rainer Walter, Juergen Schiemann, Christian Grosse +2 more | 2004-08-24 |
| 6776129 | Hydraulic actuator for a gas exchange valve | Udo Diehl, Uwe Hammer, Volker Beuche, Peter Lang, Stefan Reimer | 2004-08-17 |
| 6772737 | Method and circuit system for operating a solenoid valve | Hermann Gaessler, Udo Diehl, Rainer Walter, Juergen Schiemann, Christian Grosse +3 more | 2004-08-10 |
| 6752116 | Connection between two shaft ends, positioned coaxially one behind the other, of a gas shuttle valve in an internal combustion engine and a valve actuator | Hermann Gaessler, Udo Diehl, Rainer Walter, Bernd Rosenau, Jurgen Schiemann +4 more | 2004-06-22 |
| 6688268 | Connection between a shaft end of a gas exchange valve of an internal combustion engine and a final control element of a valve actuator | Hans Schlembach, Hermann Gaessler, Udo Diehl, Rainer Walter, Ulf Pischke +13 more | 2004-02-10 |
| 6681729 | Method and device for controlling a gas fill of cylinders of an internal combustion engine | Hermann Gaessler, Udo Diehl, Rainer Walter, Bernd Rosenau, Juergen Schiemann +4 more | 2004-01-27 |
| 6659083 | Method and device for operating an internal combustion engine | Hermann Gaessler, Udo Diehl, Rainer Walter, Bernd Rosenau, Juergen Schiemann +4 more | 2003-12-09 |
| 6651624 | Method and device for quickly modifying the torque of an internal combustion engine | Hermann Gaessler, Udo Diehl, Rainer Walter, Bernd Rosenau, Juergen Schiemann +4 more | 2003-11-25 |
| 6647938 | Supply pressure pump with separate drive on an internal combustion engine | Hermann Gaessler, Udo Diehl, Rainer Walter, Bernd Rosenau, Juergen Schiemann +4 more | 2003-11-18 |
| 6581557 | Valve control for an internal combustion engine | Hermann Gaessler, Udo Diehl, Rainer Walter, Stefan Franzl, Juergen Schiemann +3 more | 2003-06-24 |
| 6497215 | Device for rapidly building-up pressure in a device of a motor vehicle, said device being supplied with a pressure medium by means of a feed pump | Hermann Gaessler, Udo Diehl, Rainer Walter, Bernd Rosenau, Juergen Schiemann +4 more | 2002-12-24 |