Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651679 | Process for the breaking and cleaning of contaminant-containing raw paper stocks, in particular of recovered paper | Michael Danger, Peter Respondek, Samuel Schabel | 2003-11-25 |
| 6613191 | Pressurized screen and process for removing contaminants from a fibrous paper suspension containing contaminants | Peter Schweiss | 2003-09-02 |
| 6047834 | Process for the manufacture of a sifting device with slit-shaped openings and an appropriately manufactured sifting device | Klaus Dolle, Rudolf Kleinert, Joachim Nittke, Peter Schweiss, Gerhard Veh | 2000-04-11 |
| 5638960 | Sieve | Karl-Heinz Beuermann | 1997-06-17 |
| 5492225 | Sorter having a housing with conical shaped end wall | Walter Musselmann | 1996-02-20 |
| 5333883 | Stuffing box seal | Michael Piper, Rudi Kleinert, Walter Schneider | 1994-08-02 |
| 5318186 | Double screen basket apparatus | — | 1994-06-07 |
| 5255788 | Pressure sorter | Peter Schweiss, Theodor Bahr | 1993-10-26 |
| 5201423 | Fiber suspensions sorter having a plurality of screen baskets | Peter Schweiss, Theodor Bahr | 1993-04-13 |
| 5045183 | Device for screening fiber suspensions | Peter Schweiss | 1991-09-03 |
| 4911828 | Rejects sorting apparatus | Walter Musselmann, Herbert Kinzler | 1990-03-27 |
| 4735687 | Apparatus for damping vibrations in stock suspension flow | Lothar Pfalzer, Dieter Egelhof | 1988-04-05 |
| 4710287 | Fibrous suspension pressurized sorter | Hans-Otto Henrich | 1987-12-01 |
| 4413789 | Rotor for a pulper | Walter Stricker | 1983-11-08 |
| 4396160 | Pulp dissolver for the production of pulp suspensions | Walter Stricker | 1983-08-02 |
| 4238324 | Apparatus for separating impurities from fiber suspensions | Walter Musselmann, Herbert Kinzler, Josef Tra | 1980-12-09 |