HF

Harald Fretheim

AA Abb Schweiz Ag: 1 patents #103 of 623Top 20%
📍 Aurskog, NO: #1 of 2 inventorsTop 50%
Overall (2018): #405,222 of 503,207Top 85%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9906173 Method for estimating motor parameter in a load commutated inverter arrangement, and a load commutated inverter arrangement therefor Jan Wiik, Edgar Jellum, Trond Haugen 2018-02-27