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Karlfried Pfeifenbring
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Duisburg, DE
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Patents Grants
last 30 patents
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Patent Grant
Heat treatment method for a cold-rolled strip with an Ni and/or Co...
Patent number
7,179,541
Issue date
Feb 20, 2007
Hille & Muller GmbH
Werner Olberding
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing improved cold-rolled strip that is capable of...
Patent number
6,982,011
Issue date
Jan 3, 2006
Hille & Mueller GmbH
Karlfried Pfeifenbring
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for producing electrolytically coated cold rolled strip, pre...
Patent number
6,923,897
Issue date
Aug 2, 2005
Hille & Mueller GmbH
Ferdinand Schmidt
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Steel band with good forming properties and method for producing same
Patent number
6,613,163
Issue date
Sep 2, 2003
Hille & Mueller GmbH
Karlfried Pfeifenbring
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
Heat treatment method for a cold-rolled strip with an ni and/or co...
Publication number
20040238078
Publication date
Dec 2, 2004
Werner Olberding
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR