DP

Daniel George Purkis

WH Weatherford Technology Holdings: 7 patents #2 of 245Top 1%
PL Petrowell Limited: 1 patents #1 of 10Top 10%
📍 Peterhead, GB: #1 of 4 inventorsTop 25%
Overall (2018): #11,469 of 503,207Top 3%
8
Patents 2018

Issued Patents 2018

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10132138 Downhole apparatus and method Oliver Webster, Damien Patton, Matthew Manning, Steve Corbett, Ian Duncan +1 more 2018-11-20
10107071 Systems, assemblies and processes for controlling tools in a well bore Philip M. Snider 2018-10-23
10087725 Telemetry operated tools for cementing a liner string Richard L. Giroux, Richard Dalzell, Jason DUTHIE, Ian Jaffrey 2018-10-02
10077633 Downhole apparatus and method Oliver Webster, Damien Patton, Matthew Manning, Steve Corbett, Ian Duncan +1 more 2018-09-18
10053958 Downhole apparatus and method Oliver Webster, Damien Patton, Matthew Manning, Steve Corbett, Ian Duncan +1 more 2018-08-21
10041335 Switching device for, and a method of switching, a downhole tool 2018-08-07
10018015 Downhole apparatus and method Oliver Webster, Damien Patton, Matthew Manning, Steve Corbett, Ian Duncan +1 more 2018-07-10
9945211 Leak-off assembly for gravel pack system Stephen McNamee, John S. Sladic, Stephen Reid, Andrew McGeoch, Matthew Manning 2018-04-17