DS

David Stephenson

DL Deep Casing Tools Limited: 2 patents #1 of 3Top 35%
📍 Kempston, CA: #1 of 1 inventorsTop 100%
Overall (2021): #167,836 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10934796 Method for removing casing from a wellbore Tomasz Jozef Walerianczyk, Neil Andrew Abercrombie Simpson 2021-03-02
10907439 Apparatus and method for well tubular flotation Tomasz Jozef Walerianczyk 2021-02-02