Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7294408 | Material composite and production and use of the material composite | Wolfgang Bauer, Elisabeth Hügging, Jochen Jacobitz, Hellmuth Kiesewetter | 2007-11-13 |
| 6878359 | Process and device for the selective catalytic reduction of nitrogen oxides in an oxygen-containing gaseous medium | Raimund Müller, Klaus Rusch, Petra Anette Rusch, Ralf Sigling | 2005-04-12 |
| 6737033 | Method and device for the catalytic removal of a pollutant contained in an exhaust gas of a combustion system | Lothar Hofmann | 2004-05-18 |
| 6620391 | Process for the catalytic cleaning of the exhaust gas from a combustion plant | Raimund Müller, Lothar Hofmann, Kurt Schardt | 2003-09-16 |
| 6553755 | Expanded grid static mixer | Lothar Hofmann, Udo Klumpp | 2003-04-29 |
| 6539708 | Metering system | Lothar Hofmann | 2003-04-01 |
| 6488903 | Method for cleaning diesel engine exhaust gas | Ronald Neufert, Dietmar Weisensel, Klaus Wenzlawski | 2002-12-03 |
| 6475453 | Configuration for decomposing nitrogen oxides in a gas stream and method for using the configuration | Lothar Hofmann, Frank Witzel | 2002-11-05 |
| 6444177 | Process and device for the catalytic cleaning of the exhaust gas from a combustion plant | Raimund Müller, Lothar Hofmann, Kurt Schardt | 2002-09-03 |
| 6422005 | Process and apparatus for the catalytic elimination of a pollutant from the exhaust gas from a combustion installation | Winfried Dolling, Reinhard Latsch, Ronald Neufert, Rainer Tost, Dietmar Weisensel +2 more | 2002-07-23 |
| 6401455 | Exhaust emission control system for the exhaust gas of a diesel engine | Frank Witzel, Steffen Schnapp | 2002-06-11 |
| 6401449 | Expanded grid static mixer | Lothar Hofmann, Udo Klumpp | 2002-06-11 |
| 6343468 | Method and device for controlling a combustion system and for catalytic cleaning of exhaust gas, and combustion system | Winfried Doelling, Lothar Hofmann | 2002-02-05 |
| 6273120 | Device for introducing a liquid reducing agent into an exhaust gas purification system | Lothar Hofmann | 2001-08-14 |
| 6082102 | NO.sub.x reduction system with a device for metering reducing agents | Gerhard Wissler, Gunther Pajonk, Lothar Hofmann, Manfred Weigl, Ronald Neufert +2 more | 2000-07-04 |
| 5974789 | Method and device for decomposing nitrogen oxides in the exhaust gas of an internal combustion engine | Lothar Hofmann, Detlev Schöppe, Erwin Achleitner, Rainer Tost | 1999-11-02 |
| 5943858 | Premixing chamber for an exhaust gas purification system | Lothar Hofmann, Oliver Pfaff, Udo Klumpp | 1999-08-31 |
| 5884475 | Method and device for introducing liquid into an exhaust-gas purification system | Lothar Hofmann, Ronald Neufert | 1999-03-23 |
| 5785937 | Method for the catalytic conversion of nitrogen oxides present in the exhaust gas of an internal-combustion engine | Ronald Neufert, Dagmar Schobert-Schaefer, Lothar Hofmann | 1998-07-28 |
| 5394610 | Catalytic converter and method for producing the same | Rainer Stoephasius, Ronald Neufert, Helmut Schmelz, Jurgen Zurbig | 1995-03-07 |