Torbjorn Einarsson

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Vastmanland, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for detecting communication channel delay asym...
- Patent number 9,042,412
- Issue date May 26, 2015
- ABB Technology Ltd.
- Bin Su
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synchronization method for current differential protection
- Patent number 8,791,730
- Issue date Jul 29, 2014
- ABB Research Ltd.
- Youyi Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distance protection relay and method
- Patent number 7,710,698
- Issue date May 4, 2010
- ABB Technology Ltd.
- Zoran Gajic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for detecting faulty phases in a multi-phase electrical network
- Patent number 4,409,636
- Issue date Oct 11, 1983
- Asea Aktiebolag
- Nils Brandt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SYNCHRONIZATION METHOD FOR CURRENT DIFFERENTIAL PROTECTION
- Publication number 20130181755
- Publication date Jul 18, 2013
- ABB Research Ltd.
- Youyi Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and Apparatus for Detecting Communication Channel Delay Asym...
- Publication number 20120147941
- Publication date Jun 14, 2012
- ABB Research Ltd.
- Bin Su
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Distance protection relay and method
- Publication number 20080036559
- Publication date Feb 14, 2008
- ABB Technology Ltd.
- Zoran Gajic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER