David J. Fedirchuk

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Ile des Chenes, CA

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Patents Grantslast 30 patents

Information Patent Grant
Electrical bus protection method & apparatus
- Patent number 7,199,991
- Issue date Apr 3, 2007
- Nxt Phase T & D Corporation
- David J. Fedirchuk
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POWER SYSTEM FAULT ZONE DETECTION
- Publication number 20130015878
- Publication date Jan 17, 2013
- ERLPhase Power Technologies Limited
- Nuwan Dileepa Perera
- G01 - MEASURING TESTING
Information Patent Application
Electrical bus protection method & apparatus
- Publication number 20040057175
- Publication date Mar 25, 2004
- David J. Fedirchuk
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER