Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5707509 | Method and a catalyzer unit for reducing pollutants such as oxides of nitrogen in exhaust gases of internal combustion engines | — | 1998-01-13 |
| 5703021 | Process for making high temperature Bi-Sr-Ca-Cu oxide superconductor | Hans-Georg von Schnering, Winfried Becker, Martin Schwarz, Bernhard Hettich, Leonhard Walz +1 more | 1997-12-30 |
| 5656363 | Layer construction with an organic layer and a transparent cover layer which is harder than the organic layer and process for its production | Hans-Juergen Fuesser, Karl Holdik, Klaus Rohwer | 1997-08-12 |
| 5628920 | Organic layer for subsequent coating with a cover layer which is harder than the organic layer and process for surface treatment of an organic layer | Hans-Juergen Fuesser, Karl Holdik, Klaus Rohwer | 1997-05-13 |
| 5580534 | Zeolite-spinel catalyst for the reduction of nitrogen oxides and the process thereof | Martina Heinau, Andrea Seibold, Leonhard Walz | 1996-12-03 |