Ralf Kolleck

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Kronau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating pressed components
- Patent number 7,544,258
- Issue date Jun 9, 2009
- ThyssenKrupp Automotive AG
- Detleff Steinhöfer
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Method of fabricating pressed components
- Publication number 20040231762
- Publication date Nov 25, 2004
- Detleff Steinhofer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...