Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9793705 | DC-to-DC converter | — | 2017-10-17 |
| 9660522 | DC-DC converter circuit arrangement | — | 2017-05-23 |
| 9136759 | DC-DC converter with circuit for reproducing a current flowing through a storage inductor | — | 2015-09-15 |
| 8350475 | High-pressure gas discharge lamp for a lighting device | Michael Eusterbrock, Gideon Kanne | 2013-01-08 |
| 7513648 | Headlamp for vehicles | Gerhard Rotgeri, Martin Dobrescu, Markus Gösling | 2009-04-07 |
| 6624581 | Circuit for driving an alternating current high pressure gas discharge lamp for a motor vehicle | Hans-Michael Helle, Stefan Moeller | 2003-09-23 |
| 6364515 | Device for receiving a gas discharge lamp of a vehicle headlight | Stefan Moeller, Detlef Niggemann, Gerhard Rotgeri, Gerhard Stumpe, Torsten Tamcke | 2002-04-02 |
| 6329754 | Diagnostic system for a ballast of a high-pressure gas discharge lamp for a motor vehicle | Volker Radtke | 2001-12-11 |
| 6300726 | Ballast for high-pressure gas discharge lamp | — | 2001-10-09 |
| 5268617 | Power-supply apparatus for starting and operating a high-pressure gas discharge lamp | Friedrich-Karl Wendt | 1993-12-07 |
| 5241242 | Power-supply circuit apparatus for high pressure gas discharge lamps in motor vehicles | — | 1993-08-31 |
| 5182432 | Crack detector and heating circuit for motor vehicle headlight light transmissive shield | Ulrich Lange, Friedrich-Karl Wendt | 1993-01-26 |
| 5103142 | Circuit arrangement for ignition and operation of a high pressure gas discharge lamp for motor vehicles | — | 1992-04-07 |
| 5103143 | Process and apparatus for starting a high pressure gas discharge lamp for vehicles | — | 1992-04-07 |