Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921675 | Method for keeping and delivering a homogeneous cellulose suspension | Stefan Zikeli, Ulrich Möderl | 1999-07-13 |
| 5890504 | Process for transporting a thermally unstable viscous mass | Stefan Zikeli, Klaus Weidinger, Michael Longin | 1999-04-06 |
| 5826978 | Device and method for controlling pressure in a flowing viscous mass within a system for processing cellulose solutions | Stefan Zikeli, Ernst Rauch, Arnold Nigsch | 1998-10-27 |
| 5798125 | Device for the preparation of cellulose mouldings | Stefan Zikeli, Ernst Rauch, Hermann Koberger, Hartmut Ruf, Raimund Jurkovic +1 more | 1998-08-25 |
| 5794642 | Process for transporting thermally unstable viscous masses | Stefan Zikeli, Michael Longin | 1998-08-18 |
| 5755318 | Device for the continuous delivery of materials with low flowability | Stefan Zikeli, Ulrich Möderl | 1998-05-26 |
| 5698151 | Process of making cellulose fibres | Stefan Zikeli, Franz Schwenninger, Raimund Jurkovic, Hartmut Ruf | 1997-12-16 |
| 5650112 | Process of making cellulose fibers | Stefan Zikeli, Ernst Rauch | 1997-07-22 |
| 5607639 | Process for the preparation of cellulose sheet | Stefan Zikeli, Ernst Rauch, Klaus-Christian Renner, Anton Sch onberg | 1997-03-04 |
| 5589125 | Process of and apparatus for making cellulose mouldings | Stefan Zikeli, Ernst Rauch, Hermann Koberger, Hartmut Ruf, Raimund Jurkovic +1 more | 1996-12-31 |
| 5582783 | Process for controlling a flowing cellulose suspension | Stefan Zikeli, Ulrich Möderl, Franz Schwenninger | 1996-12-10 |