Waldemar Hellwig

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Arbon, CH

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Patents Grantslast 30 patents

Information Patent Grant
Tool assembly for a punch press having a laser welding apparatus
- Patent number 5,468,931
- Issue date Nov 21, 1995
- Bruderer AG
- Ingomar J. K. Summerauer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process and apparatus for producing welded stamped parts
- Patent number 5,053,601
- Issue date Oct 1, 1991
- Bruderer AG
- Josef Landtwing
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Press drive
- Patent number 4,920,782
- Issue date May 1, 1990
- Bruderer AG
- Waldemar Hellwig
- B30 - PRESSES