John Helvik

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Stavanger, NO

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Patents Grantslast 30 patents

Information Patent Grant
Petroleum well intervention winch system
- Patent number 9,470,054
- Issue date Oct 18, 2016
- CAPWELL AS
- Morten Talgø
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Methods for Conducting a Subsea Well Intervention, and Related Syst...
- Publication number 20180209236
- Publication date Jul 26, 2018
- CAPWELL AS
- Morten Talgø
- E21 - EARTH DRILLING MINING
Information Patent Application
PETROLEUM WELL INTERVENTION WINCH SYSTEM
- Publication number 20140174716
- Publication date Jun 26, 2014
- CAPWELL AS
- Morten Talgø
- E21 - EARTH DRILLING MINING