Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950473 | Method for reducing nitrogen oxides in flue gas | Claus Flockenhaus, Manfred Galow, Klaus Merkel, Hartmut Kainer | 1990-08-21 |
| 4935392 | Process for the manufacture of catalyst members for the reduction of oxides of nitrogen and catalyst members produced thereby | Hartmut Kainer, Bernhard Vedder, Daniel Grimm, Wilfried Schnelle, Albert Kleinevoss +4 more | 1990-06-19 |
| 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 |
| 4656148 | Method for the reactivation of a catalyst used for removal of nitrogen oxides | Hermann Stein, Blagoje Levkov, Hartmut Kainer, Horst Kalfa, Daniel Grimm | 1987-04-07 |
| 4435157 | Heat exchanger construction and method of operation | Horst Kalfa | 1984-03-06 |