WEFA Werkzeugfabrik Singen GmbH

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Singen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Extrusion tool, process for the production thereof and use thereof
- Patent number 6,370,934
- Issue date Apr 16, 2002
- WEFA Werkzeugfabrik Singen GmbH
- Bruno Maier
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for manufacturing an extrusion tool using a CVD process
- Patent number 6,176,153
- Issue date Jan 23, 2001
- WEFA Werkzeugfabrik Singen GmbH
- Bruno Maier
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...