OH

Olof Hjortstam

AR Abb Research: 3 patents #222 of 1,276Top 20%
HA Hitachi Energy Switzerland Ag: 3 patents #25 of 445Top 6%
HE Hitachi Energy: 2 patents #52 of 458Top 15%
AA Abb Technology Ag: 2 patents #104 of 532Top 20%
AA Abb Power Grids Switzerland Ag: 1 patents #70 of 321Top 25%
📍 Västerås, SE: #38 of 577 inventorsTop 7%
Overall (All Time): #441,680 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12020859 High-voltage column current transformer Yury Solovyev, Orlando Girlanda, Liliana Arevalo 2024-06-25
11923108 Insulator shed having non-circular tip Nils Lavesson 2024-03-05
11798711 Insulator with resistivity gradient Henrik Lofas, Henrik Hillborg, Nils Lavesson, Magnus Svanberg 2023-10-24
11769608 MFC in pressboards for HV devices Fredrik Sahlen, Elson Montibon, Anders Bo Eriksson, Erik Keil 2023-09-26
11715588 Insulator having internal cooling channels Mark Czernuschka, Orlando Girlanda 2023-08-01
11037697 Silicone rubber with ATH filler Henrik Hillborg, Henrik Lofas, Jonas Birgerson 2021-06-15
9045810 Method for melting steel Rebei Bel Fdhila, Jan-Erik Eriksson, Mohamed Ali Rahmani, Shiva Sander-Tavallaey, Ola Widlund +2 more 2015-06-02
8876934 Apparatus and method for electromagnetic stirring in an electrical arc furnace Jan-Erik Eriksson, Mohamed Ali Rahmani, Ola Widlund, Rebei Bel Fdhila, Shiva Sander-Tavallaey +3 more 2014-11-04
8721789 Apparatus and method for crystallization of silicon Jan-Erik Eriksson, Ulf Sand 2014-05-13
8632632 Apparatus and method for crystallization of silicon Jan-Erik Eriksson, Ulf Sand 2014-01-21
8178780 Electric insulation material, an electric device comprising the insulation material and a transformer Rongsheng Liu, Albert Jaksts, Leif A. Pettersson 2012-05-15