Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7353895 | Vehicle transmission with selectively-engageable electric motor | Otmar Bitsche, Tobias Ostertag, Alfons Rennefeld, Wolfgang Schwienbacher, Sven Stephan +1 more | 2008-04-08 |
| 6862887 | Hybrid drive | Tobias Ostertag, Alfons Rennefeld | 2005-03-08 |
| 6863140 | Motor vehicle drive arrangement | Tobias Ostertag, Lars Saroch | 2005-03-08 |
| 6695082 | Vehicle having an electrical machine optionally coupling with a transmission input shaft or output shaft | Otmar Bitsche, Tobias Ostertag, Alfons Rennefeld, Wolfgang Schwienbacher, Sven Stephan +1 more | 2004-02-24 |
| 6659212 | Hybrid drive for a motor vehicle with an exhaust gas turbocharger | Dietmar Geisse, Alfons Rennefeld | 2003-12-09 |
| 6632570 | Fibrous-structure electrode framework web strip, electrode plates produced therefrom and process for producing a fibrous-structure electrode framework web strip | Otwin Imhof, Holger Kistrup | 2003-10-14 |
| 6472091 | Fuel cell system and method for supplying electric power in a motor vehicle | Gerhard Konrad, Josef Zieger, Arnold Lamm, Wolfgang Von Schwerin | 2002-10-29 |
| 6428674 | Process for the removal of galvanic electrolytic residues from electrode frames or electrode frame webs with fiber structure | Otwin Imhof, Holger Kistrup | 2002-08-06 |
| 6394209 | Motor vehicle serial hybrid drive for I.C. engine operated only at or near full load | Markus Goehring, Adolf Kuenzer | 2002-05-28 |
| 6208049 | Motor vehicle auxiliaries drive assembly | Alfons Rennefeld, Juergen Friedrich | 2001-03-27 |
| 5794732 | Apparatus and method for starting a fuel cell vehicle | Helmut Lorenz, Thomas Klaiber, Wolfram Fleck, Josef Sonntag, Gerald Hornburg +1 more | 1998-08-18 |
| 5646852 | Method and device for vehicle fuel cell dynamic power control | Helmut Lorenz, Thomas Klaiber, Wolfram Fleck, Josef Sonntag, Gerald Hornburg +1 more | 1997-07-08 |
| 5537956 | Coolant circuit | Alfons Rennfeld, Jurgen Friedrich | 1996-07-23 |
| 4903896 | Fuel injection device for an internal combustion engine having preinjection and main injection air compression and self-ignition | Ulrich Letsche, Gunther Hafner | 1990-02-27 |
| 4829962 | Procedure for determining optimum ingnition times with regard to engine operation | Gunther Hafner, Bernhard Bauer | 1989-05-16 |
| 4655254 | Control valve, in particular an electrohydraulic control valve | Gunther Hafner, Hans-Dieter Schmidt, Ulrich Letsche, Bernhard Bauer | 1987-04-07 |
| 4615321 | Method and apparatus for checking sensors | Gunther Haefner, Bernhard Bauer, Ulrich Letsche | 1986-10-07 |
| 4546426 | Method for controlling the position of an actuator in a manner whereby the adjustment is adaptive | Gunther Hafner, Hans-Dieter Schmidt, Ulrich Letsche, Bernhard Bauer | 1985-10-08 |