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Christoph Kullmann
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Eschweiler, DE
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Patents Grants
last 30 patents
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Patent Grant
Membrane module for immersed operation
Patent number
8,480,898
Issue date
Jul 9, 2013
Koch Membrane Systems GmbH
Stefan Schäfer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Membrane filter unit and method for the production of the membrane...
Patent number
7,931,805
Issue date
Apr 26, 2011
Koch Membrane Systems GmbH
Stefan Schäfer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Membrane module for immersed operation
Patent number
7,638,048
Issue date
Dec 29, 2009
Koch Membrane Systems GmbH
Stefan Schäfer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hollow fiber membrane filter with a supporting structure
Patent number
7,531,091
Issue date
May 12, 2009
Koch Membrane Systems GmbH
Stefan Schäfer
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
Membrane Module for Immersed Operation
Publication number
20090314704
Publication date
Dec 24, 2009
Koch Membrane Systems GmbH
Stefan Schafer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Membrane filter unit and method for the production of the membrane...
Publication number
20090200695
Publication date
Aug 13, 2009
Stefan Schafer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Hollow Fiber Membrane Filter with a Supporting Structure
Publication number
20070246422
Publication date
Oct 25, 2007
Stefan Schafer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Membrane Module for Immersed Operation
Publication number
20070205146
Publication date
Sep 6, 2007
Koch Membrane Systems GmbH
Stefan Schafer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for aerating membrane modules
Publication number
20070193953
Publication date
Aug 23, 2007
Stefan Schafer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Membrane filter unit and method for the production of the membrane...
Publication number
20070158257
Publication date
Jul 12, 2007
Stefan Schafer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL