Inventor · disambiguated record
John Helvik
Also filed as: HELVIK JOHN
2 granted patents·1 pending application·15 citations·filing 2007–2015
56Inventor score
Top patents by PatentIndex Score
3 records- 0173US8042574B2Plug with expandable packer elementTDW OFFSHORE SERVICES AS·Filed 2007·Granted Oct 25, 2011·12 cites·14 claims
- 0253US9470054B2Petroleum well intervention winch systemTALGØ MORTEN·Filed 2012·Granted Oct 18, 2016·3 cites·26 claims
- 0324US2018209236A1Methods for Conducting a Subsea Well Intervention, and Related System, Assembly and ApparatusCAPWELL AS·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →