IH

Ingvar Hagman

AA Abb Group Services Center Ab: 1 patents #4 of 7Top 60%
AS Asea Brown Boveri, S.A.: 1 patents #358 of 1,048Top 35%
Overall (All Time): #2,207,621 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6643154 Control of extinction angle for a line-commutated converter — 2003-11-04
5737166 Protective equipment in a bipolar HVDC station — 1998-04-07