Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7004986 | Filter in a filter housing | Edvard Kopec, Manfred Winter, Volker Greif, Klemens Dworatzek, Karlheinz Muenkel +2 more | 2006-02-28 |
| 6918939 | Filter device | Klemens Dworatzek, Karlheinz Muenkel | 2005-07-19 |
| 6884273 | Multicell cyclone and method for producing it | Edvard Kopec, Volker Greif, Klemens Dworatzek, Jens Haehn | 2005-04-26 |
| 6792925 | Filter device | Klemens Dworatzek, Karlheinz Muenkel | 2004-09-21 |