Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454947 | Ceramic filter element for tangential flow filtration of liquids and gases | Hans Olapinski, Manfred Kielwein, Hans-Erich Simmich, Helmut Ziegelbauer | 1995-10-03 |
| 5377713 | Valve | Kilian Friederich, Diedrich Von Behr | 1995-01-03 |