RD

Richard Dalzell

WH Weatherford Technology Holdings: 2 patents #22 of 197Top 15%
WL Weatherford U.K. Limited: 1 patents #2 of 17Top 15%
📍 Kirriemuir, TX: #1 of 1 inventorsTop 100%
Overall (2020): #72,586 of 565,922Top 15%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10808508 Telemetry operated tools for cementing a liner string Richard L. Giroux, Daniel George Purkis, Jason DUTHIE, Ian Jaffrey 2020-10-20
10655439 Gas lift method and apparatus Euan Murdoch, Colin Rae, Matthew Knight, Quentin Lhussier 2020-05-19
10586083 Active RFID tag arrangements for actuation of downhole equipment in well fluids John Fielding Ownby, Matthew Knight, Rupa Sharma, Eric R. Evans, Jobby T. Jacob 2020-03-10