Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420236 | Membrane filter and filtering method | Dirk Volmering | 2025-09-23 |
| 12172130 | Membrane filter | Dirk Volmering | 2024-12-24 |
| 12128361 | Membrane filter and filtering method | Dirk Volmering | 2024-10-29 |
| 12005398 | Method for filtering a liquid and filter device | Dirk Volmering | 2024-06-11 |
| 12005397 | Method for introducing a gas and gas introducing device | Dirk Volmering | 2024-06-11 |
| 11141700 | Membrane filter and filtering method | Dirk Volmering | 2021-10-12 |
| 10850237 | Method for producing a membrane filter | Dirk Volmering | 2020-12-01 |
| 10406483 | Membrane filter and filtering method | Dirk Volmering | 2019-09-10 |
| 8480898 | Membrane module for immersed operation | Stefan Schafer, Christoph Kullmann | 2013-07-09 |
| 8079572 | Device for gassing a liquid | Stefan Schaefer, Dirk Volmering, Darren Lawrence | 2011-12-20 |
| 7931805 | Membrane filter unit and method for the production of the membrane filter unit | Stefan Schafer, Christoph Kullmann, Andreas Kruse | 2011-04-26 |
| 7638048 | Membrane module for immersed operation | Stefan Schafer, Christoph Kullmann | 2009-12-29 |
| 7531091 | Hollow fiber membrane filter with a supporting structure | Stefan Schafer, Christoph Kullmann | 2009-05-12 |
| 7501084 | Method for producing fabric-reinforced capillary membranes, in particular for ultrafiltration | Stefan Schafer | 2009-03-10 |
| 7160454 | Membrane filter for water treatment | Stefan Schafer | 2007-01-09 |
| 6126819 | Apparatus for the treatment of liquids contaminated by foreign substances | Wilhelm Heine, Robert Rautenbach | 2000-10-03 |
| 5626752 | Device for separating biologic-organic flow media with filter elements in the form of membrane cushions | Jurgen Mohn, Wilhelm Heine, Robert Rautenbach, Rainer Mellis | 1997-05-06 |