WS

Walter Stam

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
SU Shell Usa: 1 patents #79 of 307Top 30%
Overall (All Time): #780,133 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12392211 Explosive downhole tools having improved wellbore conveyance and debris properties, methods of using the explosive downhole tools in a wellbore, and explosive units for explosive column tools James G. Rairigh 2025-08-19
12286860 Downhole seal and method of setting a downhole seal Evert Jonathan Van Den Ham, Timotheus Kees Theodorus Wolterbeek, Erik Kerst Cornelissen 2025-04-29
11781393 Explosive downhole tools having improved wellbore conveyance and debris properties, methods of using the explosive downhole tools in a wellbore, and explosive units for explosive column tools James G. Rairigh 2023-10-10
11359455 Method of preparing a wellbore tubular comprising an elastomer sleeve Frank RUCKERT 2022-06-14
10316627 Assembly and method for creating an expanded tubular element in a borehole David Paul Brisco, Antonius Leonardus Maria Wubben 2019-06-11
10036235 Assembly and method for expanding a tubular element Antonius Leonardus Maria Wubben, Djurre Hans Zijsling 2018-07-31