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Dieter Kassel
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Witten, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Hard metal or cermet body and method for producing the same
Patent number
7,544,410
Issue date
Jun 9, 2009
Kennametal Widia Produktions GmbH & Co. KG
Walter Lengauer
C21 - METALLURGY OF IRON
Information
Patent Grant
Hard metal or cermet body and method for producing the same
Patent number
6,506,226
Issue date
Jan 14, 2003
Widia GmbH
Limin Chen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hard-metal or cermet body, especially for use as a cutting insert
Patent number
6,110,603
Issue date
Aug 29, 2000
Widia GmbH
Limin Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ceramic composite body, process for producing a ceramic composite
Patent number
5,352,533
Issue date
Oct 4, 1994
Krupp Widia GmbH
Klaus Dreyer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
Hard metal or cermet body and method for producing the
Publication number
20070042222
Publication date
Feb 22, 2007
Walter Lengauer
C21 - METALLURGY OF IRON
Information
Patent Application
Hard metal substrate body and method for producing the same
Publication number
20050224958
Publication date
Oct 13, 2005
Dieter Kassel
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Hard metal or cermet cutting material and the use thereof
Publication number
20050115742
Publication date
Jun 2, 2005
Hans Werner Daub
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Composite material and method for production thereof
Publication number
20040141867
Publication date
Jul 22, 2004
Klaus Dreyer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...