Gerhard Kratz

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Erlangen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the low-loss wiring of the semiconductor switching el...
- Patent number 4,855,893
- Issue date Aug 8, 1989
- Siemens Aktiengesellschaft
- Gerhard Kratz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control device for a direct current semiconductor regulator
- Patent number 4,634,943
- Issue date Jan 6, 1987
- Siemens Aktiengesellschaft
- Horst Reick
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter comprising at least two controllable load thyristors
- Patent number 4,191,993
- Issue date Mar 4, 1980
- Siemens Aktiengesellschaft
- Gerhard Kratz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter comprising at least two controllable load thyristors
- Patent number 4,191,994
- Issue date Mar 4, 1980
- Siemens Aktiengesellschaft
- Gerhard Kratz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER