Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969592 | Method for uniting workpieces of silicon-infiltrated silicon carbide with large dimensions in a materially bonded manner and apparatus for performing the method | Mohamed Yarahmadi, Juergen Sommerer | 1990-11-13 |
| 4950473 | Method for reducing nitrogen oxides in flue gas | Claus Flockenhaus, Manfred Galow, Klaus Merkel, Hans-Eugen Buhler | 1990-08-21 |
| 4935392 | Process for the manufacture of catalyst members for the reduction of oxides of nitrogen and catalyst members produced thereby | Bernhard Vedder, Daniel Grimm, Wilfried Schnelle, Albert Kleinevoss, Hans-Eugen Buhler +4 more | 1990-06-19 |
| 4914073 | Process for the manufacture of catalytic elements and catalytic elements so produced | Daniel Grimm, Albert Kleinevoss, Karl H. Laue, Claus Flockenhaus, Klaus Merkel | 1990-04-03 |
| 4895821 | Process for the manufacture of catalytic elements and catalytic elements so produced | Eugen Buhler, Daniel Grimm, Wilfried Schenelle, Claus Flockenhaus, Karl H. Laue +1 more | 1990-01-23 |
| 4883647 | Use of manganese nodules or deep-sea ores containing manganese for the reduction of nitrogen oxides in exhaust gases | Daniel Grimm, Wilfried Schnelle, Peter Halbach | 1989-11-28 |
| 4828806 | Process for cleaning an exhaust gas | Claus Flockenhaus, Karl H. Laue, Theo Sander, Erich Hackler, Blagoje Levkov +2 more | 1989-05-09 |
| 4806427 | Process for the production of catalysts for the reduction of nitrogen oxides from exhaust gases and similar chemical air cleaning processes | Hermann Stein, Daniel Grimm | 1989-02-21 |
| 4771026 | Catalyst in the form of a plate for nitrogen oxide reduction in exhaust gases | Daniel Grimm, Claus Flockenhaus, Karl H. Laue | 1988-09-13 |
| 4762689 | Combination of retaining module and catalyst plates | Alfred Frey, Daniel Grimm | 1988-08-09 |
| 4760047 | Catalyst block | Peter Jeschke, Blagoje Levkov | 1988-07-26 |
| 4758410 | Cartridge for catalyst plates | Daniel Grimm, Klaus Heil, Hermann Stein | 1988-07-19 |
| 4758545 | Process for the manufacture of catalyst moldings from granular catalyst material such as iron ore or chromium ore with the use of a binder | Daniel Grimm, Blagoje Levkov | 1988-07-19 |
| 4751212 | Process for the manufacture of a catalyst for the reduction of nitrogen oxides in exhaust gases | Claus Flockenhaus, Erich Hackler, Karl H. Laue, Klaus Merkel, Arnold Max +4 more | 1988-06-14 |
| 4746483 | Process for the manufacture of catalyst molding | Claus Flockenhaus, Karl H. Laue, Klaus Merkel, Erich Hackler, Johann Jansen +5 more | 1988-05-24 |
| 4742036 | Catalyst plate | Claus Flockenhaus, Daniel Grimm, Karl H. Laue | 1988-05-03 |
| 4721699 | Catalyst for the separation of nitrogen oxides from combustion exhaust gases | Dietrich Wagener, Karl H. Laue, Egmar Wunderlich, Theo Sander, Claus Flockenhaus +4 more | 1988-01-26 |
| 4720376 | Process for the removal of nitrogen oxides and soot from exhaust gases of machines and combustion installations burning heavy fuel oil | Karl H. Laue, Claus Flockenhaus, Erich Hackler, Blagoje Levkov, Daniel Grimm +2 more | 1988-01-19 |
| 4695559 | Catalyst for the selective reduction of nitrogen oxides in waste gases and process for the manufacture of such a catalyst | Dietrich Wagener, Karl H. Laue, Egmar Wunderlich, Theo Sander, Claus Flockenhaus +9 more | 1987-09-22 |
| 4677731 | Process and device for mounting porous ceramic material | Jurgen Sommerer, Michael Leipold, Hermann Stein | 1987-07-07 |
| 4672052 | Catalyst for removal of nitrogen oxides from exhaust gases | Dietrich Wagener, Karl H. Laue, Egmar Wunderlich, Theo Sander, Claus Flockenhaus +4 more | 1987-06-09 |
| 4656148 | Method for the reactivation of a catalyst used for removal of nitrogen oxides | Hans-Eugen Buhler, Hermann Stein, Blagoje Levkov, Horst Kalfa, Daniel Grimm | 1987-04-07 |
| 4612981 | Ceramic recuperator tube and a recuperator employing plural such tubes | Helmut Palz | 1986-09-23 |