Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7779512 | Apparatus and method for feeding fibers | Siegfried Bernhardt, Heinz-Werner Naumann-Burghardt | 2010-08-24 |
| 7152278 | Nonwoven card for the production of nonwoven fabric of fiber material | Siegfried Bernhardt, Heinz-Werner Naumann-Burghardt | 2006-12-26 |
| 7003853 | Intermediate card for manufacturing nonwovens of fibrous material as well as method for manufacturing nonwovens of fibrous material | Siegfried Bernhardt, Heinz-Werner Naumann-Burghardt | 2006-02-28 |
| 6729465 | Plant and a method for transporting textile fabrics | Siegfried Bernhardt, Heinz-Werner Naumann-Burghardt | 2004-05-04 |