Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520988 | Cross-flow filter cassette | Hans-Weddo Schmidt, Ulrich Grummert | 2009-04-21 |
| 6983504 | Method for carrying out an integrity test for filter elements | Ulrich Grummert | 2006-01-10 |
| 6916420 | Wide passage cross-flow filter cassettes | Hans-Weddo Schmidt, Ulrich Grummert, Claudia Hartmann | 2005-07-12 |