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Klaus Hummert
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Coesfeld, DE
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last 30 patents
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Patent Grant
Process for manufacturing thin pipes
Patent number
6,485,681
Issue date
Nov 26, 2002
Bernhard Commandeur
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for manufacturing thin pipes
Patent number
6,136,106
Issue date
Oct 24, 2000
Erbsloh Aktiengesellschaft
Bernhard Commandeur
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for manufacturing thin-walled pipes
Patent number
6,086,819
Issue date
Jul 11, 2000
Erbsloh Aktiengesellschaft
Bernhard Commandeur
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Process for manufacturing thin pipes
Patent number
6,030,577
Issue date
Feb 29, 2000
Erbsloh Aktiengesellschaft
Bernhard Commandeur
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...