Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332543 | Apparatus for converting a continuously supplied material flow into a single layer | Torsten Koch, Renke Schlarmann, Harry Drewes, Hans Dierken | 2001-12-25 |
| 5558199 | Apparatus for forming a layer of tobacco particles | Friedemann Roether, Uwe Leckband, Harry Drewes, Horst-Udo Christ, Hans Dierken | 1996-09-24 |
| 5086279 | Method of and apparatus for measuring the moisture content of fibrous materials | Waldemar Wochnowski | 1992-02-04 |
| 4434563 | Method and apparatus for drying tobacco | Gerhard Graalmann | 1984-03-06 |