Heinz Walker

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Kummersbruck, DE

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Patents Grantslast 30 patents

Information Patent Grant
Noncontact electronic switching arrangement
- Patent number 4,792,764
- Issue date Dec 20, 1988
- Siemens Aktiengesellschaft
- Heinz Walker
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Ultrasonic proximity switch
- Patent number 4,649,527
- Issue date Mar 10, 1987
- Siemens Aktiengesellschaft
- Alfred Forster
- G01 - MEASURING TESTING
Information Patent Grant
Oscillator coil sensing head for contactless inductive proximity sw...
- Patent number 4,455,528
- Issue date Jun 19, 1984
- Siemens Aktiengesellschaft
- Heinz Walker
- H03 - BASIC ELECTRONIC CIRCUITRY