DH

David C. Hoyle

Schlumberger Technology: 4 patents #13 of 860Top 2%
Overall (2021): #34,234 of 548,734Top 7%
5
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11125049 Superhard material enhanced choke cage Neil Cannon, David S. Clark 2021-09-21
11118408 Downhole steering system and methods Jonathan Marshall, Edward George Parkin, Geoffrey C. Downton, Nalin Weerasinghe, Dennis Patrick Chestnutt 2021-09-14
11028685 Downhole rate of penetration measurement Malcolm R. Taylor, Scott Richard Woolston, Jonathan Marshall 2021-06-08
10927647 Systems and methods for directing fluid flow David R. Hall, Jonathan Marshall, Malcolm R. Taylor, Jordan D. Englund 2021-02-23
10883506 Unitary thick diamond composite downhole tool components David Milton Eslinger, Spyridon Joseph Kotsonis, Alejandro Camacho Cardenas, Arthur H. Watson 2021-01-05