Helmut Hertrich

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Weng, DE

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Patents Grantslast 30 patents

Information Patent Grant
Power switching device
- Patent number 6,853,232
- Issue date Feb 8, 2005
- Infineon Technologies AG
- Rainald Sander
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Temperature sensor
- Patent number 6,255,892
- Issue date Jul 3, 2001
- Siemens Aktiengesellschaft
- Manuel Gärtner
- G01 - MEASURING TESTING
Information Patent Grant
Method for manufacturing field effect controlled semiconductor comp...
- Patent number 5,583,060
- Issue date Dec 10, 1996
- Siemens Aktiengesellschaft
- Helmut Hertrich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power MOSFET with improved avalanche resistance
- Patent number 5,418,394
- Issue date May 23, 1995
- Siemens Aktiengesellschaft
- Helmut Hertrich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated circuit for the protection of subscriber lines against o...
- Patent number 4,748,533
- Issue date May 31, 1988
- Siemens Aktiengesellschaft
- Helmut Hertrich
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Power switching device
- Publication number 20040027756
- Publication date Feb 12, 2004
- Rainald Sander
- H03 - BASIC ELECTRONIC CIRCUITRY