Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7182978 | Method and device for the prevention of wall adherences in shafts on the introduction of particles | Jens Hoferichter, Rainer Schlichtmann, Josef Barban | 2007-02-27 |
| 6297178 | Flameproof fabrics based on melamine resin fibres | Heinz Berbner, Hans-Dieter Eichhorn, Karl-Heinz Ott | 2001-10-02 |