Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7204226 | Multi-cylinder internal combustion engine and method for the individual shutdown and restart of its cylinders | Michael Zillmer, Matthias Holz | 2007-04-17 |
| 7086221 | Method for increasing an exhaust gas temperature of a spark-ignition, direct injection internal combustion engine | Eric Bree, Kai Philipp, Michael Zillmer | 2006-08-08 |
| 7051516 | Method for controlling a working mode of an internal combustion engine | Michael Zillmer | 2006-05-30 |
| 7021279 | Direct injection internal combustion engine with NOx-reduced emissions | Rudolf Krebs, Bernd Stiebels | 2006-04-04 |
| 6968679 | Method for operating an internal combustion engine | — | 2005-11-29 |
| 6941748 | Method for desulfurization of an NOx storage accumulator-catalyst arranged in an exhaust system of an internal combustion engine | Hermann Hahn, Ulrich Goebel, Juergen Hoehne | 2005-09-13 |
| 6920862 | Methods for controlling a fuel metering in the multiple injection operating mode | Eric Bree, Kai Philipp, Michael Zillmer | 2005-07-26 |
| 6854267 | Exhaust gas system of an internal combustion engine with a catalyst | Michael Zillmer, Karsten Michels | 2005-02-15 |
| 6666177 | Method for operating an internal combustion engine comprising at least one working piston | Bernd Stiebels, Leo Spiegel | 2003-12-23 |
| 6647711 | Device for supplying exhaust gases from an internal combustion engine to a catalytic converter | Leo Spiegel, Michael Zillmer | 2003-11-18 |
| 6637190 | Method for desulphurating a nox-storage catalyst that is arranged in an exhaust channel of a combustion engine | — | 2003-10-28 |
| 6626798 | Device and method for operating an internal combustion engine provided with a butterfly valve in overrun mode | Michael Zillmer | 2003-09-30 |
| 6530216 | Method for desulfating an NOx accumulator catalytic converter | — | 2003-03-11 |
| 6164064 | Method and arrangement for desulfurization of NOx reservoir catalysts | — | 2000-12-26 |
| 6053154 | Exhaust gas recycling arrangement with individual cylinder throttling | — | 2000-04-25 |
| 5992142 | No exhaust emission control method and arrangement | — | 1999-11-30 |
| 5549873 | Exhaust gas converter arrangement | — | 1996-08-27 |