EK

Erling Kleppa

PA Petroleum Technology Company As: 2 patents #1 of 5Top 20%
Overall (2019): #175,024 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10450821 Wellhead port plug assembly Lino Guedes, Andre Bolager, Kristian Harestad, Trond Kvasnes 2019-10-22
10294763 Bellows valve and an injection valve 2019-05-21