Winfried Graf

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Esslingen am Neckar, DE

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Patents Grantslast 30 patents

Information Patent Grant
Safety switching device for safely switching off an electrical load
- Patent number 6,809,911
- Issue date Oct 26, 2004
- Pilz GmbH & Co.
- Rolf Dickhoff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System for reliable prevention of the restarting of a machine
- Patent number 6,777,830
- Issue date Aug 17, 2004
- Pilz GmbH & Company
- William Edward Anderson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Modular safety switching
- Patent number 6,246,318
- Issue date Jun 12, 2001
- Pilz GmbH & Co.
- Richard Veil
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Safety switching device for safely switching off an electrical load
- Publication number 20030137788
- Publication date Jul 24, 2003
- Rolf Dickhoff
- H01 - BASIC ELECTRIC ELEMENTS