WH

Wilhelmus Hubertus Paulus Maria Heijnen

Shell Oil Compny: 3 patents #24 of 205Top 15%
📍 Stromberg, LA: #1 of 1 inventorsTop 100%
Overall (2003): #19,392 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6585048 Wellbore system having non-return valve — 2003-07-01
6575236 Device for manipulating a tool in a well tubular — 2003-06-10
6513591 Leak detection method — 2003-02-04