DP

Daniel George Purkis

PL Petrowell Limited: 2 patents #1 of 10Top 10%
📍 Peterhead, GB: #1 of 2 inventorsTop 50%
Overall (2017): #159,256 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9739127 Method and system for operating a downhole tool, for fracturing a formation and/or for completing a wellbore Stephen Reid 2017-08-22
9631458 Switching device for, and a method of switching, a downhole tool 2017-04-25