Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099644 | Process and apparatus for recoating a deactivated catalyst coating in a catalyst | Wolfgang Zahn, Axel Hirshmann | 2000-08-08 |
| 5821187 | Process and apparatus for recoating a deactivated catalyst coating in a catalyst | Wolfgang Zahn, Axel Hirshmann | 1998-10-13 |
| 5743087 | Method and apparatus for purifying exhaust gases from internal combustion engines | Wolfgang Zahn, Axel Hirschmann | 1998-04-28 |
| 5613359 | Method and apparatus for reducing hydrocarbon emissions for an internal combustion engine | Wolfgang Zahn, Erwin Strohmer | 1997-03-25 |
| 5556604 | Method and apparatus for purifying exhaust gases from internal combustion engines | Wolfgang Zahn, Axel Hirschmann | 1996-09-17 |
| 5539286 | Motor vehicle electrical system having an electrical machine functioning as an on-board power supply generator | Horst Brinkmeyer, Wolf-Dieter Blauensteiner, Thomas Binder, Alfred Wirth, Gerhard Muenkel +1 more | 1996-07-23 |
| 5259813 | Device for controlling the ventilation of an internal space, particularly in motor vehicles | Jorg Abthoff, Hans-Dieter Schuster, Friedhelm Nunnemann, Michael Osswald, Michael-Rainer Busch +1 more | 1993-11-09 |
| 4733358 | Method for optimizing the air/fuel ratio under non-steady conditions in an internal combustion engine | Jorg Abthoff, Dieter H. P. Schuster, Christoph Noller, Ferry Durschmidt | 1988-03-22 |
| 4704863 | Exhaust gas filter for diesel engines | Joerg Abthoff, Hans-Dieter Schuster, Bernhard Jokl | 1987-11-10 |
| 4667469 | Exhaust gas filter for diesel engines | Joerg Abthoff, Hans-Dieter Schuster, Bernhard Jokl | 1987-05-26 |
| 4622809 | Method and apparatus for monitoring and adjusting .lambda.-probe-controlled catalytic exhaust gas emission control systems of internal combustion engines | Jorg Abthoff, Hans-Dieter Schuster, Gottfried Wollenhaupt, Michael-Rainer Busch | 1986-11-18 |
| 4617795 | Exhaust gas pipe for internal-combustion engines having a receiving opening for a heated probe for determining the oxygen content of the exhaust gases | Jorg Abthoff, Hans-Dieter Schuster, Gunther Ebinger | 1986-10-21 |