Issued Patents All Time
Showing 26–50 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6216451 | Method of diagnosing an NOx storage catalytic converter during operation of an internal combustion engine | Klaus Winkler, Bernd Schumann | 2001-04-17 |
| 6216448 | Method of diagnosing an NOX storage catalytic converter during operation of an internal combustion engine | Klaus Winkler, Bernd Schumann | 2001-04-17 |
| 6131446 | Method and arrangement for diagnosing an exhaust-gas probe | Lothar Raff, Claus-Peter Pflieger | 2000-10-17 |
| 6105557 | Method of checking the operability of a tank-venting system | Thorsten Fritz, Lutz Reuschenbach | 2000-08-22 |
| 6073083 | Arrangement for determining the internal resistance of a lambda probe | Erich Junginger, Lothar Raff | 2000-06-06 |
| 6034610 | Method and arrangement for monitoring the operation of a gas probe | Erich Junginger, Lothar Raff | 2000-03-07 |
| 6018948 | Method and device for lowering a boost pressure of a turbocharger | Ulrich Steinbrenner, Wolfgang Wagner, Hong Zhang | 2000-02-01 |
| 5901552 | Method of adjusting the air/fuel ratio for an internal combustion engine having a catalytic converter | Erich Schneider, Rudiger Deibert, Hans P. Geering, Christian Roduner, Esfandiar Shafai | 1999-05-11 |
| 5890474 | Method and arrangement for checking the operability of a tank-venting system | Helmut Schwegler, Ulrich Kuhn, Werner Krauss, Thorsten Fritz, Andreas Blumenstock +5 more | 1999-04-06 |
| 5860277 | Method for monitoring the operating capability of a catalyzer in the exhaust duct of an internal combustion engine | Erich Schneider, Frank Blischke | 1999-01-19 |
| 5787867 | Lambda control method | Lothar Raff, Ernst Wild, Klaus Hirschmann, Frank Blischke | 1998-08-04 |
| 5769054 | Method and arrangement for controlling the torque of internal combustion engine while deactivating individual cylinders | Hong Zhang | 1998-06-23 |
| 5743083 | Method for interrupting the metering of fuel during overrun operation of an internal combustion engine | Frank Blischke | 1998-04-28 |
| 5715676 | Method and apparatus for monitoring the starting behavior of a catalytic conversion system in an automotive vehicle | Erich Schneider, Wolfgang Richter, Axel Stuber, Bernd Heppner | 1998-02-10 |
| 5669219 | Method and device for monitoring a heating device of a sensor mounted in the exhaust system of an internal combustion engine | Erich Junginger, Erich Schneider | 1997-09-23 |
| 5647668 | Method for generating a signal relating to a temperature in the exhaust system of an internal combustion engine | Erich Schneider, Hong Zhang | 1997-07-15 |
| 5647669 | Method for generating a simulated signal relating to a temperature in the exhaust system of an internal combustion engine | Erich Junginger, Erich Schneider | 1997-07-15 |
| 5616835 | System for operating a heating element for a ceramic sensor in a motor vehicle | Erich Schneider, Konrad Henkelmann, Frank Blischke, Georg Mallebrein | 1997-04-01 |
| 5590521 | Method and device for forming a simulated signal of the temperature of the exhaust gas, exhaust gas sensor or catalytic converter | Erich Schneider, Frank Blischke | 1997-01-07 |
| 5586543 | Mixture controller for an internal combustion engine | Lothar Raff, Klaus Hirschmann | 1996-12-24 |
| 5553450 | Method and apparatus for judging the functioning of a catalytic converter | Erich Schneider, Frank Blischke | 1996-09-10 |
| 5553593 | Control system and method for metering the fuel in an internal combustion engine | Rolf-Hermann Mergenthaler, Lutz Reuschenbach, Hans Veil, Eduard Weiss | 1996-09-10 |
| 5540204 | Method for reducing a torque output of an internal combustion engine | Helmut Denz, Hong Zhang, Klaus Boettcher | 1996-07-30 |
| 5438826 | Method for adjusting the fuel/air mixture for an internal combustion engine after an overrun phase of operation | Frank Blischke, Klaus Hirschmann, Lothar Raff | 1995-08-08 |
| 5335538 | Method and arrangement for determining the storage capacity of a catalytic converter | Frank Blischke, Erich Schneider | 1994-08-09 |