Krzysztof Obrebski

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Warszawa, PL

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Patents Grantslast 30 patents

Information Patent Grant
Cover for a distribution transformer filled with a dielectric liquid
- Patent number 11,211,190
- Issue date Dec 28, 2021
- Hitachi Energy Switzerland AG
- Witold Sobczak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power electronic tap changer module for transformer
- Patent number 10,861,642
- Issue date Dec 8, 2020
- ABB Schweiz AG
- Pawel Aloszko
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
POWER ELECTRONIC TAP CHANGER MODULE FOR TRANSFORMER
- Publication number 20190259530
- Publication date Aug 22, 2019
- ABB Schweiz AG
- Pawel Aloszko
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COVER FOR A DISTRIBUTION TRANSFORMER FILLED WITH A DIELECTRIC LIQUID
- Publication number 20190206605
- Publication date Jul 4, 2019
- ABB Schweiz AG
- Witold Sobczak
- H01 - BASIC ELECTRIC ELEMENTS