Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651839 | Device for hot dispersing fibrous paper stock and a method hot dispersing the stock | Volker Niggl, Josef Schneid, Hans Schnell | 2003-11-25 |
| 6634583 | Process and device for the dispersion of a fibrous paper material | Volker Niggl, Josef Schneid, Hans Schnell, Wolfgang Mannes | 2003-10-21 |
| 6432263 | Process for increasing the water retention capacity in fibrous webs | Volker Gehr, Volker Niggl, Hans-Ludwig Schubert | 2002-08-13 |
| 6279749 | Process and apparatus for removing solids from an aqueous paper fiber suspension | Axel Gommel, Martin Kemper | 2001-08-28 |
| 6250573 | Process and device for the dispersion of a fibrous paper material | Volker Niggl, Josef Schneid, Hans Schnell, Wolfgang Mannes | 2001-06-26 |
| 6227374 | Process and floatation device for the removal of interfering materials from an aqueous fiber pulp suspension | Herbert Britz, Axel Gommel, Herbert Holik, Martin Kemper, Wolfgang Mannes +2 more | 2001-05-08 |
| 6073865 | Process and devices for manufacturing a hot friable material | Volker Niggl, Erich Peters, Josef Schneid, Hans Schnell | 2000-06-13 |