Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12140234 | Valve | Helmut Hermann, Stefan Wöstmann, Stefan Zikeli, Philipp ZAUNER | 2024-11-12 |
| 12102939 | Thin-layer treatment device | Stefan Zikeli, Hannes KITZLER, Philipp ZAUNER, Paul AIGNER, Rainer Naef | 2024-10-01 |
| RE48466 | Modular reactor | Stefan Zikeli, Friedrich Ecker, Klaus Weidinger | 2021-03-16 |
| 10532507 | Method for the purification of a fluid and filtering device | Stefan Zikeli, Friedrich Ecker, Klaus Weidinger | 2020-01-14 |
| 9101903 | Modular reactor | Stefan Zikeli, Friedrich Ecker, Klaus Weidinger | 2015-08-11 |
| 8580167 | Lyocell method comprising an adjustment of the processing duration based on the degree of polymerization | Stefan Zikeli | 2013-11-12 |
| 8317503 | Device for producing Lyocell fibers | Stefan Zikeli | 2012-11-27 |
| 6644845 | Buffer store for polymer melts, especially cellulose solutions | Stefan Zikeli, Friedrich Ecker | 2003-11-11 |
| 5988437 | Device for draining or storing viscous materials | Wolfram Kalt, Friedrich Ecker, Wilhelm Feilmair, Franz Schwenninger | 1999-11-23 |
| 5890504 | Process for transporting a thermally unstable viscous mass | Stefan Zikeli, Klaus Weidinger, Friedrich Ecker | 1999-04-06 |
| 5794642 | Process for transporting thermally unstable viscous masses | Stefan Zikeli, Friedrich Ecker | 1998-08-18 |