Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454970 | Adjustment of autonomous vehicle control authority | Vivek A. Sujan, Jennifer Kay Light-Holets | 2022-09-27 |
| 9638765 | Device and method for monitoring signal levels | Tobias Kiefer | 2017-05-02 |
| 9527140 | Drilling apparatus | — | 2016-12-27 |
| 8752364 | Techniques for optimizing engine operations during aftertreatment regeneration | Linsong Guo, Ryan Edgecomb, Lk Hwang, Timothy R. Frazier, Neal W. Currier | 2014-06-17 |
| 8505281 | Techniques for enhancing aftertreatment regeneration capability | Linsong Guo, Ryan Edgecomb, Lk Hwang, Timothy R. Frazier, Neal W. Currier | 2013-08-13 |
| 6546346 | Method for determining the resonance frequency of an electric resonant circuit | Rüdiger Laubenstein, Ulrich Exner, Ernst Damerau | 2003-04-08 |
| 6477069 | Circuit for detecting and inadmissibly high current in an output stage | — | 2002-11-05 |
| 6445129 | Gas discharge lamp, in particular for motor-vehicle headlights | Hartmut Seiler, Thomas Wizemann, Ingo Gorille, Wolfgang Pfaff, Wolfgang Schuetze +1 more | 2002-09-03 |
| 6429550 | Polarity reversal protection circuit for a final electronic power stage | Peter Braun | 2002-08-06 |
| 6323627 | D.C.-d.c. converter with a transformer and a reactance coil | Claus Schmiederer | 2001-11-27 |
| 6321031 | Control circuit for a dc motor | Thomas Mohr, Karl-Heinrich Preis, Wolfgang Schwenk | 2001-11-20 |
| 6201357 | Overheating protection device for a control device in gas discharge lamps | Hartmut Seiler | 2001-03-13 |
| 6194834 | Gas discharge lamp, in particular for a motor-vehicle headlight | Hartmut Seiler | 2001-02-27 |
| 6175200 | Device for operating a gas discharge lamp with reduced average lamp power | — | 2001-01-16 |
| 6172469 | Device for operating a gas discharge lamp | — | 2001-01-09 |
| 6150914 | Transformer with divided primary winding used in a blocking-oscillator supply circuit | Lothar Borho, Johann Freundorfer | 2000-11-21 |
| 6144168 | Circuit arrangement for operation of a high-pressure gas discharge lamp on alternating current | — | 2000-11-07 |
| 6078149 | Device for operating a gas discharge lamp to produce output potentials having different absolute values | Karl-Heinrich Preis | 2000-06-20 |
| 6005302 | Fixed-cycle power-supply circuit with an at least temporarily active consumer-independent load | Lothar Borho, Karl-Heinrich Preis, Klaus Eckert, Gerhard Decker | 1999-12-21 |
| 5965986 | Arrangement for detecting the ignition of a high-pressure gas discharge lamp | Lothar Borho, Klaus Eckert | 1999-10-12 |
| 5962990 | Control unit for rapidly starting the illumination of a high-pressure gas-discharge lamp | — | 1999-10-05 |
| 5942883 | Circuit for supplying current | Karl-Heinrich Preis, Joerg Sutter | 1999-08-24 |
| 5872706 | Circuit arrangement for multiple use of a transformer core | — | 1999-02-16 |
| 5859507 | Circuit arrangement for starting and operating a high-pressure gas discharge lamp operating by controlled alternating current | — | 1999-01-12 |
| 5821635 | Method for controlling the power supplied by an electrical circuit, in particular, a sinusoidal source | — | 1998-10-13 |