Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7278776 | Apparatus and method for injecting a liquid dye into a polymer melt | Ulrich Helbing, Jörg Alexander, Jurgen Hasenburg | 2007-10-09 |
| 6305831 | Apparatus for mixing and advancing a polymer melt | Egon Gathmann, Klaus Schafer, Friedel Dickmeiss | 2001-10-23 |
| 6103158 | Method and apparatus for spinning a multifilament yarn | Klaus Schafer, Ernst Callhoff | 2000-08-15 |
| 5902531 | Apparatus and method for spinning polymeric yarns | Peter Berger, Egon Gathmann, Wolfgang Imping, Klaus Schafer, Rahim Gross | 1999-05-11 |