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Patent applications and USPTO patent grants for Konstantin; Peter.The latest application filed is for "positively charged membrane".
Patent | Date |
---|---|
Positively charged membrane Grant 7,396,465 - Wu , et al. July 8, 2 | 2008-07-08 |
Positively Charged Membrane App 20070207493 - WU; Xiaosong ;   et al. | 2007-09-06 |
Positively charged membrane Grant 7,223,341 - Wu , et al. May 29, 2 | 2007-05-29 |
Charged membrane Grant 7,189,322 - Wu , et al. March 13, 2 | 2007-03-13 |
Positively charged membrane App 20060249445 - Wu; Xiaosong ;   et al. | 2006-11-09 |
Negatively charged membrane Grant 7,132,049 - Hou , et al. November 7, 2 | 2006-11-07 |
Positively charged membrane Grant 7,094,347 - Wu , et al. August 22, 2 | 2006-08-22 |
Charged membrane App 20060151374 - Wu; Xiaosong ;   et al. | 2006-07-13 |
Positively charged membrane App 20050211621 - Wu, Xiaosong ;   et al. | 2005-09-29 |
Negatively charged membrane App 20050139537 - Hou, Chung-Jen ;   et al. | 2005-06-30 |
Filter device and filter element comprising at least one negatively charged membrane Grant 6,860,393 - Hou , et al. March 1, 2 | 2005-03-01 |
Positively charged membrane Grant 6,851,561 - Wu , et al. February 8, 2 | 2005-02-08 |
Charged membrane Grant 6,849,185 - Wu , et al. February 1, 2 | 2005-02-01 |
Negatively Charged Membrane App 20040262216 - Hou, Chung-Jen ;   et al. | 2004-12-30 |
Positively Charged Membrane App 20040251193 - Wu, Xiaosong ;   et al. | 2004-12-16 |
Negatively charged membrane Grant 6,783,937 - Hou , et al. August 31, 2 | 2004-08-31 |
Positively charged membrane Grant 6,780,327 - Wu , et al. August 24, 2 | 2004-08-24 |
Integrity testable filtration unit using supported hydrophilic porous membranes Grant 6,186,341 - Konstantin , et al. February 13, 2 | 2001-02-13 |
Hydrophilic membrane Grant 6,083,393 - Wu , et al. July 4, 2 | 2000-07-04 |
Hydrophilic membrane Grant 6,039,872 - Wu , et al. March 21, 2 | 2000-03-21 |
Membrane adsorber filter module Grant 5,575,910 - Karbachsch , et al. November 19, 1 | 1996-11-19 |
Column for the removal of undesired substances from a liquid mixture Grant 4,250,141 - Lehmann , et al. February 10, 1 | 1981-02-10 |
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