SK

Sietse Jelle Koopmans

📍 Schoonhoven, NL: #6 of 32 inventorsTop 20%
Overall (All Time): #1,245,930 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7857042 Coiled tubing injector head Aldo Huizer 2010-12-28
6755244 Lubricator 2004-06-29
5836385 Apparatus for deploying wireline 1998-11-17
5195725 Displaceable, two-part winch device 1993-03-23