Stefan Schaefer

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Wetzlar, DE

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Patents Grantslast 30 patents

Information Patent Grant
Control element with proximity sensor
- Patent number 7,977,596
- Issue date Jul 12, 2011
- Siemens Aktiengesellschaft
- Frank Born
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Operating element with a proximity sensor and shield
- Patent number 7,564,247
- Issue date Jul 21, 2009
- Siemens Aktiengesellschaft
- Frank Born
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for transmitting data via a number of interfaces
- Patent number 6,804,228
- Issue date Oct 12, 2004
- Siemens Aktiengesellschaft
- Stefan Peter Schaefer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Operating element with a proximity sensor and shield
- Publication number 20060290359
- Publication date Dec 28, 2006
- Siemens Aktiengesellschaft
- Frank Born
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Control element with proximity sensor
- Publication number 20060289286
- Publication date Dec 28, 2006
- Siemens Aktiengesellschaft
- Frank Born
- B60 - VEHICLES IN GENERAL