Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7153093 | Vacuum pump | Thomas Dreifert, Wolfgang Giebmanns, Hartmut Kriehn | 2006-12-26 |
| 6406650 | Yarn melt spinning apparatus and method | Jörg Hegenbarth, Frank Bäcker | 2002-06-18 |
| 6378180 | Method and apparatus for spinning and crimping a multifilament yarn | Mario Maranca, Frank Bäcker | 2002-04-30 |
| 4557159 | Driving mechanism for slat curtains | — | 1985-12-10 |
| 4245295 | Apparatus for the controlled voltage supply of D.C. drives | Georg Götz | 1981-01-13 |