Ralf Büchner

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Halle, DE

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Patents Grantslast 30 patents

Information Patent Grant
Oil-filled transformer switching frame
- Patent number 9,129,738
- Issue date Sep 8, 2015
- ABB Technology AG
- Hartmut Brendel
- B32 - LAYERED PRODUCTS
Information Patent Grant
Spherical cap for high-voltage outgoing lines in oil transformers
- Patent number 8,618,427
- Issue date Dec 31, 2013
- ABB Technology AG
- Hartmut Brendel
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OIL-FILLED TRANSFORMER SWITCHING FRAME
- Publication number 20150015355
- Publication date Jan 15, 2015
- ABB TECHNOLOGY AG
- Hartmut BRENDEL
- H01 - BASIC ELECTRIC ELEMENTS