Jan Krtek

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Karlovy Vary, CS

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Patents Grantslast 30 patents

Information Patent Grant
Circuit arrangement of an inverted current rectifier with self comm...
- Patent number 4,326,246
- Issue date Apr 20, 1982
- CKD Praha, oborovy podnik
- Jiri Winkler
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Process of pulse duration modulation of a multi-phase converter
- Patent number 4,321,663
- Issue date Mar 23, 1982
- CKD Praha, oborovy podnik
- Jan Krtek
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit arrangement for self-commutated inverters
- Patent number 4,317,166
- Issue date Feb 23, 1982
- CKD Praha, oborovy podnik
- Jiri Winkler
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Test circuit for indication of deviation of source voltages from th...
- Patent number 4,139,788
- Issue date Feb 13, 1979
- CKD Praha, oborovy podnik
- Josef Cibulka
- G01 - MEASURING TESTING