Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114891 | Sintered material based on aluminum oxide | Reiner Kunz | 1992-05-19 |
| 5076815 | Process for producing sintered material based on aluminum oxide and titanium oxide | Reiner Kunz | 1991-12-31 |
| 4732594 | Process for scrubbing exhaust gases from diesel engines and filter cartridge for carrying out the process | Tiberiu Mizrah, Wolfhart Rieger | 1988-03-22 |
| 4690763 | Filter medium in the form of a stable porous body | Wolfhart Rieger, Ludwig Gauckler, Albert Maurer | 1987-09-01 |
| 4678758 | Porous ceramic filter body and manufacturing method therefor | Wolfhart Rieger, Ludwig Gauckler, Marco Dellapina | 1987-07-07 |
| 4528099 | Filter medium for filtering molten metals | Wolfhart Rieger, Lugwig Gauckler, Albert Mauer, Marco Dellapina, Volker Nobbe | 1985-07-09 |