Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5958255 | Method and apparatus for filtering a polymeric melt | Knut Hobrecht | 1999-09-28 |
| 5927590 | Spin beam for spinning a plurality of synthetic filament yarns and its manufacture | Felix Herwegh, Wolfgang Schumann | 1999-07-27 |
| 5928523 | Method and apparatus for continuously filtering a polymeric melt utilizing an intermediate filter of reduced surface area during filter cleaning or replacement | Knut Hobrecht | 1999-07-27 |
| 5733586 | Spin beam for spinning a plurality of synthetic filament yarns and its manufacture | Felix Herwegh, Wolfgang Schumann | 1998-03-31 |