Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10478785 | Abrasion-proof filtration membrane and method of producing said membrane | Gisela Jung, Andreas Bareth | 2019-11-19 |
| 10040030 | Filtration device having internal recirculation | Stefan Krause | 2018-08-07 |
| 9630148 | Filter compound material, method for the production thereof and flat filter elements made of the filter compound material | Eugen Man, Reinhard Voigt | 2017-04-25 |
| 9095820 | Filtration system having fluid couplings | Reinhard Voigt | 2015-08-04 |
| 9050564 | Filter module and system having spirally wound membrane filters, and method for the production thereof | Reinhard Voigt | 2015-06-09 |
| 7892430 | Apparatus for filtering substances out of liquids | Reinhard Voigt, Jens Lipnizki | 2011-02-22 |
| 5536408 | Hydrophilic, asymmetric, chemically-resistant polyaramide membrane | Reinhard Wagener, Jürgen Schneider, Ulrich Delius, Friedrich Herold, Georg-Emerich Miess | 1996-07-16 |
| 5500124 | Process for the purifying working-up of reaction media and/or wash media obtained during preparation of cellulose ethers | Heinz Wallisch, Reinhard Donges | 1996-03-19 |
| 5490936 | Process for catalyst recovery | Ernst I. Leupold, Wolf-Dietmar Kaufmann, Bernd Laugwitz, Gunther Duchatsch | 1996-02-13 |