DP

Daniel George Purkis

WH Weatherford Technology Holdings: 5 patents #4 of 197Top 3%
WL Weatherford U.K. Limited: 1 patents #2 of 17Top 15%
📍 Peterhead, GB: #1 of 2 inventorsTop 50%
Overall (2020): #26,932 of 565,922Top 5%
6
Patents 2020

Issued Patents 2020

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10808508 Telemetry operated tools for cementing a liner string Richard L. Giroux, Richard Dalzell, Jason DUTHIE, Ian Jaffrey 2020-10-20
10753177 Method and apparatus for actuating downhole tools Paul L. Smith, Simon J. Harrall 2020-08-25
10753196 Downhole communication Hugh Clarkson, Matthew Knight 2020-08-25
10724333 Choke 2020-07-28
10724360 Well isolation 2020-07-28
10538982 Valve assembly with a filter chamber William Murray 2020-01-21