Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11639018 | Method and device for cleaning a polymer melt | Klaus Schafer, Friedel Dickmeiss, Matthias Schmitz | 2023-05-02 |
| 7278776 | Apparatus and method for injecting a liquid dye into a polymer melt | Ulrich Helbing, Georg Stausberg, Jurgen Hasenburg | 2007-10-09 |
| 6604928 | Filtering device and spinning head | Ralf Wnuk, Norbert Lang, Jurgen Hausdorf, Markus Reichwein, Roland Nitschke +1 more | 2003-08-12 |
| 5607585 | Apparatus for filtering plastic melts | Knut Hobrecht | 1997-03-04 |