loadpatents
Patent applications and USPTO patent grants for Schmidt; Hans-Weddo.The latest application filed is for "cross-flow filter cassette".
Patent | Date |
---|---|
Cross-flow filter cassette Grant 7,520,988 - Pahl , et al. April 21, 2 | 2009-04-21 |
Cross-flow filter cassette App 20070062856 - Pahl; Ina ;   et al. | 2007-03-22 |
Wide passage cross-flow filter cassettes Grant 6,916,420 - Schmidt , et al. July 12, 2 | 2005-07-12 |
Cross-flow filtration unit App 20050126980 - Pahl, Ina ;   et al. | 2005-06-16 |
Cross-flow filter cassettes in the form of improved wide-slit modules App 20030173285 - Schmidt, Hans-Weddo ;   et al. | 2003-09-18 |
Modular filter housing App 20030029786 - Schmidt, Hans-Weddo ;   et al. | 2003-02-13 |
Cross-linked cellulose hydrate membranes Grant 5,739,316 - Beer , et al. April 14, 1 | 1998-04-14 |
Filter stack for insertion in a filter device Grant 5,106,506 - Schmidt , et al. April 21, 1 | 1992-04-21 |
Method, device and filter module for the filtration of liquids in cross-flow operation Grant 4,990,256 - Schmidt February 5, 1 | 1991-02-05 |
Separating device for fluids, consisting of support plates and cut sections of a semi-permeable diaphragm Grant 4,430,218 - Perl , et al. February 7, 1 | 1984-02-07 |
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