Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6008583 | Discharge lamp with secondary ignition electrode | Peter Gernhard, Steffen Oppawsky, Dieter Schodel | 1999-12-28 |
| 4405454 | Process and apparatus for the dewatering of solids in suspension | Gunther Hultsch, Franz Alstetter | 1983-09-20 |
| 4292177 | Pressurizable rotary filter | Werner Stahl, Bernhard Richter, Franz Alstetter, Franz Krappmann, Hans-Michael Schuster | 1981-09-29 |