Bernd Berg

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Siegen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Multi-layer pipe and method for its manufacture
- Patent number 8,117,882
- Issue date Feb 21, 2012
- Bergrohr GmbH Siegen
- Bernd Berg
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION-OPTIMIZED PROCESS FOR PRODUCING A MULTILAYER PIPE
- Publication number 20110146366
- Publication date Jun 23, 2011
- Bergrohr GmbH Siegen
- Bernd Berg
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MULTI-LAYER PIPE AND METHOD FOR ITS MANUFACTURE
- Publication number 20090293981
- Publication date Dec 3, 2009
- Bergrohr GmbH Siegen
- Bernd Berg
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MULTI-LAYER PIPE AND METHOD FOR ITS MANUFACTURE
- Publication number 20090288467
- Publication date Nov 26, 2009
- Bergrohr GmbH Siegen
- Bernd Berg
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...