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Gerhard Kahn
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Geesthacht, DE
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last 30 patents
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Patent Grant
Filtration apparatus having channeled flow guide elements
Patent number
6,258,270
Issue date
Jul 10, 2001
GKSS Forschungszentrum Geesthacht GmbH
Walter Hilgendorff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device for separating mixtures using stacked spaced membrane elements
Patent number
5,891,222
Issue date
Apr 6, 1999
GKSS-Forschungszentrum-Geesthacht GmbH
Walter Hilgendorff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for separating mixtures by spaced stacked membrane elements
Patent number
5,076,923
Issue date
Dec 31, 1991
GKSS-Forschungszentrum-Geesthacht GmbH
Walter Hilgendorff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for filtering and separating flow medium
Patent number
4,995,977
Issue date
Feb 26, 1991
GKSS Forschungszentrum Geesthacht GmbH
Walter Hilgendorff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Diaphragm-equipped fluid treating apparatus
Patent number
4,695,380
Issue date
Sep 22, 1987
GKSS Forschungszentrum Geesthacht GmbH
Walter Hilgendorff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for the separation of solutions by pervaporation
Patent number
4,650,574
Issue date
Mar 17, 1987
GSK Forschungszentrum Geesthacht GmbH
Walter Hilgendorff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL