Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5176189 | Device for transport of material between chambers at different pressures and process for operation of this device | Heinz Perchthaler | 1993-01-05 |
| 4328099 | Multi-disk rotary filter | Bernhard Richter, Siegfried Paruse | 1982-05-04 |
| 4292177 | Pressurizable rotary filter | Werner Stahl, Uwe Breuer, Bernhard Richter, Franz Alstetter, Hans-Michael Schuster | 1981-09-29 |
| 4193875 | Rotary filter | Werner Stahl | 1980-03-18 |