DH

David C. Hoyle

Schlumberger Technology: 4 patents #17 of 856Top 2%
CI Cameron International: 2 patents #8 of 83Top 10%
Overall (2023): #23,402 of 537,848Top 5%
6
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11796068 Needle tip and seat for a choke valve Scott Allan Miller, III, Ghulam A. Barkatally, Jerry A. Martino, Declan Elliott, Edmund Peter McHugh +2 more 2023-10-24
11788359 Downhole steering system and methods Jonathan Marshall, Edward George Parkin, Geoffrey C. Downton, Nalin Weerasinghe, Dennis Patrick Chesnutt 2023-10-17
11767723 Downhole transducer assemblies and pressure range control therein Edward George Parkin, Scott Richard Woolston, Jonathan Marshall, Jim Shumway 2023-09-26
11608719 Controlling fluid flow through a valve David R. Hall, Jonathan Marshall, Malcolm R. Taylor, Jordan D. Englund 2023-03-21
11549593 Needle tip and seat for a choke valve Scott Allan Miller, III, Ghulam A. Barkatally, Jerry A. Martino, Declan Elliott, Edmund Peter McHugh +2 more 2023-01-10
11542805 Marking and sensing a borehole wall Jonathan Marshall, Scott Richard Woolston 2023-01-03