Heinrich Koehnecke

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Braunschweig, DE

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Patents Grantslast 30 patents

Information Patent Grant
Monitoring device for distinguishing the operating state of a load
- Patent number 4,371,831
- Issue date Feb 1, 1983
- Siemens Aktiengesellschaft
- Rainer Boschulte
- G01 - MEASURING TESTING
Information Patent Grant
Device for the signal-technical secure control and monitoring of el...
- Patent number 4,356,485
- Issue date Oct 26, 1982
- Siemens Aktiengesellschaft
- Rainer Boschulte
- G08 - SIGNALLING