John Wallumrod

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Hof, NO

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Patents Grantslast 30 patents

Information Patent Grant
Compact triangular core transformer
- Patent number 9,484,141
- Issue date Nov 1, 2016
- ABB Schweiz AG
- Egil Stryken
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing a transformer winding
- Patent number 7,398,589
- Issue date Jul 15, 2008
- ABB Technology AG
- Harold R. Younger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for forming a winding for a three-phase transformer
- Patent number 7,260,883
- Issue date Aug 28, 2007
- ABB Technology AG
- Harold R. Younger
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING A STACKED TRIANGULAR CORE TRANSFORMER
- Publication number 20160005536
- Publication date Jan 7, 2016
- ABB TECHNOLOGY AG
- TOMASZ NOWAK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Compact Triangular Core Transformer
- Publication number 20150235752
- Publication date Aug 20, 2015
- ABB Technology Ltd.
- Egil Stryken
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of forming a transformer winding with rectangular copper wire
- Publication number 20050034296
- Publication date Feb 17, 2005
- Harold R. Younger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for manufacturing a transformer winding
- Publication number 20040261252
- Publication date Dec 30, 2004
- Harold R. Younger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Three-phase transformer
- Publication number 20040257188
- Publication date Dec 23, 2004
- ABB Technology AG
- Harold R. Younger
- H01 - BASIC ELECTRIC ELEMENTS