Jan Johansson

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Arboga, SE

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for triggering a spark gap
- Patent number 7,295,416
- Issue date Nov 13, 2007
- ABB AB
- Per Halvarsson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric switching device
- Patent number 6,960,844
- Issue date Nov 1, 2005
- ABB Technology AG
- Falah Al-Hosini
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Device and method for triggering a spark gap
- Publication number 20050168889
- Publication date Aug 4, 2005
- Per Halvarsson
- H01 - BASIC ELECTRIC ELEMENTS