Bruno Walczak

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Aachen-Eilendorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Chain drawing machine for continuous drawing of drawing stock
- Patent number 6,450,386
- Issue date Sep 17, 2002
- Schumag AG
- Dirk Hessberger
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for a translatory motion of components
- Patent number 5,603,245
- Issue date Feb 18, 1997
- Schumag Aktiengesellschaft
- Bruno Walczak
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for straight-line drawing of round material
- Patent number 4,805,434
- Issue date Feb 21, 1989
- Schumag AG
- Karl-Heinz Komp
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...