Volker Zummach

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Alfeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for impressing a corrugation into a pipe
- Patent number 9,687,897
- Issue date Jun 27, 2017
- Nexans
- Volker Zummach
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for continuous corrugation of a metallic tube
- Patent number 8,631,672
- Issue date Jan 21, 2014
- Nexans
- Wilhelm Unger
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR IMPRESSING A CORRUGATION INTO A PIPE
- Publication number 20150013407
- Publication date Jan 15, 2015
- NEXANS
- Volker Zummach
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
APPARATUS FOR CONTINUOUS CORRUGATION OF A METALLIC TUBE
- Publication number 20110132053
- Publication date Jun 9, 2011
- Wilhelm Unger
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...