Harald Fretheim

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Aurskog, NO

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Patents Grantslast 30 patents

Information Patent Grant
Subsea substation system with one enclosure having separate thermal...
- Patent number 12,300,978
- Issue date May 13, 2025
- ABB Schweiz AG
- Harald Fretheim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power collection system for subsea transfer of power from offshore...
- Patent number 12,224,572
- Issue date Feb 11, 2025
- ABB Schweiz AG
- Oistein Martinsen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Method for estimating motor parameter in a load commutated inverter...
- Patent number 9,906,173
- Issue date Feb 27, 2018
- ABB Schweiz AG
- Jan Wiik
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SUBSEA SUBSTATION SYSTEM
- Publication number 20240421568
- Publication date Dec 19, 2024
- ABB Schweiz AG
- Harald Fretheim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Collection System for Subsea Transfer of Power from Offshore...
- Publication number 20240332938
- Publication date Oct 3, 2024
- ABB Schweiz AG
- Oistein Martinsen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
Method For Estimating Motor Parameter In A Load Commutated Inverter...
- Publication number 20150097502
- Publication date Apr 9, 2015
- Jan Wiik
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER