Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6352951 | Refractory material based on chromium corundum, a chromium corundum brick and the use of said brick | Karl-Heinz Mossal, Selim Yesiltas, Thomas Weichert | 2002-03-05 |
| 4952343 | Process for the manufacture of thin plates with low binding strength | Norbert Gerharz, Eduard Kessler, Hans Kleudgen, Jochen Kopia, Bernd Stein | 1990-08-28 |
| 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, Hans-Eugen Buhler +4 more | 1990-06-19 |
| 4914073 | Process for the manufacture of catalytic elements and catalytic elements so produced | Daniel Grimm, Hartmut Kainer, Karl H. Laue, Claus Flockenhaus, Klaus Merkel | 1990-04-03 |
| 4842172 | Composite refractory member | Jochen Kopia | 1989-06-27 |