Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11628404 | Monolithic membrane filtration structure | Sébastien PINSON, Paul LEPLAY, Malte MOELLER, Michael Faber | 2023-04-18 |
| 10245561 | Tangential filter with a supporting element including a set of channels | Fabiano Rodrigues, Malte MOELLER, Adrien VINCENT | 2019-04-02 |
| 6941742 | Method and device for reducing the number of particles in an exhaust gas | Frank Witzel, Stefan Fischer, Gunther Pajonk | 2005-09-13 |
| 6641785 | Catalytic converter and method for cleaning exhaust gas | Frank Witzel | 2003-11-04 |
| 6596661 | Process for regenerating a deactivated catalyst | — | 2003-07-22 |
| 6576585 | Process for producing a catalyst body | Stefan Fischer, Gunther Pajonk, Frank Witzel | 2003-06-10 |
| 6488903 | Method for cleaning diesel engine exhaust gas | Wieland Mathes, Dietmar Weisensel, Klaus Wenzlawski | 2002-12-03 |
| 6482376 | Process for the catalytic removal of polycyclic aromatic nitro, nitroso and/or amino compounds | Walter Fischer | 2002-11-19 |
| 6422005 | Process and apparatus for the catalytic elimination of a pollutant from the exhaust gas from a combustion installation | Winfried Dolling, Reinhard Latsch, Wieland Mathes, Rainer Tost, Dietmar Weisensel +2 more | 2002-07-23 |
| 6357227 | System and method for reducing pollutants in the exhaust gas of an internal combustion engine | — | 2002-03-19 |
| 6216755 | Method and device for filling containers | — | 2001-04-17 |
| 6082102 | NO.sub.x reduction system with a device for metering reducing agents | Gerhard Wissler, Gunther Pajonk, Lothar Hofmann, Manfred Weigl, Wieland Mathes +2 more | 2000-07-04 |
| 6054408 | Catalyst for reducing the nitrogen oxide concentration in a flowing medium and method for producing the catalyst | Erich Hums, Gunther Spitznagel, Klaus Huttenhofer, Peter Fischer | 2000-04-25 |
| 5884475 | Method and device for introducing liquid into an exhaust-gas purification system | Lothar Hofmann, Wieland Mathes | 1999-03-23 |
| 5785937 | Method for the catalytic conversion of nitrogen oxides present in the exhaust gas of an internal-combustion engine | Wieland Mathes, Dagmar Schobert-Schaefer, Lothar Hofmann | 1998-07-28 |
| 5394610 | Catalytic converter and method for producing the same | Rainer Stoephasius, Wieland Mathes, Helmut Schmelz, Jurgen Zurbig | 1995-03-07 |