Hans-Wilhelm Wilken

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Hildesheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for controlling an electrical door drive
- Patent number 7,960,932
- Issue date Jun 14, 2011
- Siemens Aktiengesellschaft
- Heinz Ludwig
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Method for controlling an electrical door drive
- Publication number 20080263964
- Publication date Oct 30, 2008
- Heinz Ludwig
- B66 - HOISTING LIFTING HAULING