Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7655141 | Membrane pipe module | Nicholas P. Wynn, Frank-Klaus Marggraff | 2010-02-02 |
| 7517421 | Method for the continuous manufacture of tubular membranes | Wolfgang Schafer, Nicholas P. Wynn, Frank-Klaus Marggraff | 2009-04-14 |
| 6790350 | Membrane module for the separation of fluid mixtures | Petrus Paulus Antonius Catharina Pex, Yvonne Christine Van Delft, Nicholas P. Wynn, Henk Martin Van Veen, Frank-Klaus Marggraff | 2004-09-14 |
| 5700374 | Pervaporation membranes and use thereof | Hermann Steinhauser | 1997-12-23 |
| 5558776 | Process for the manufacture of a composite plasma membrane and use thereof | Hermann Steinhauser, Guido Ellinghorst, Andreas Hübner | 1996-09-24 |
| 5512179 | Membrane process for separation of fluid mixtures | Walter Schneider | 1996-04-30 |
| 5437796 | Plate module and its use for separting fluid mixtures | Raif Abouchar, Hartmut Ganz, Joel Huret, Frank-Klaus Marggraff | 1995-08-01 |
| 5334314 | Composition membrane for separating water from fluids containing organic components by means of pervaporation | Jean Neel, Quang Trong Nguyen | 1994-08-02 |
| 5156740 | Multi-layer membrane and the use thereof for the separation of liquid mixtures according to the pervaporation process | — | 1992-10-20 |
| 4915834 | Multi-layer membrane and the use thereof for the separation of liquid mixtures according to the pervaporation process | — | 1990-04-10 |
| 4789480 | Membrane module and the use thereof for the separation of liquids according to the pervaporation process | — | 1988-12-06 |
| 4755299 | Multi-layer membrane and the use thereof for the separation of liquid mixtures according to the pervaporation process | — | 1988-07-05 |