DA

David Bengt Johan Ankargren

NA National Oilwell Varco Norway As: 3 patents #10 of 65Top 20%
📍 Kristiansand, NO: #48 of 236 inventorsTop 25%
Overall (All Time): #1,503,222 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9382927 Apparatus and method for recuperation of hydraulic energy Jochen Pohl 2016-07-05
9267340 Heave compensating system Jochen Pohl 2016-02-23
9051784 Riser tensioner Christian von der Ohe 2015-06-09