DS

David Sirda Shanks

ZL Zenith Oilfield Technology Limited: 8 patents #1 of 9Top 15%
EL Expro North Sea Limited: 4 patents #9 of 67Top 15%
AP Alkhorayef Petroleum: 1 patents #3 of 11Top 30%
Tektronix: 1 patents #823 of 1,698Top 50%
GE: 1 patents #19,878 of 36,430Top 55%
RP Rodime Plc: 1 patents #10 of 20Top 50%
LI Lufkin Industries: 1 patents #15 of 46Top 35%
📍 Newmachar, OR: #1 of 1 inventorsTop 100%
Overall (All Time): #230,720 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12421848 Power and telemetry systems for a downhole instrument John Henry McKay 2025-09-23
12359561 Well bore instrument system John Henry McKay 2025-07-15
12352659 Pressure seal with built in testing system John Henry McKay 2025-07-08
12018970 Well bore fluid sensor, system, and method John Henry McKay 2024-06-25
11663928 Method and devices for on-demand role playing Thomas Ferry, Raymond Jones 2023-05-30
10968726 Systems and methods of power transmission for downhole applications Jedrzej Pietryka, Janusz Szewczyk, Jaroslw Samsel, Zbigniew Krzeminski 2021-04-06
10718567 Multiple hearth furnace improvements Nicholas Boustead, James Brett 2020-07-21
10329898 High temperature downhole gauge system 2019-06-25
10120102 Fluid sensor cable assembly, system, and method Loucas Tsakalakos, Slawomir Rubinsztajn, Renato Guida, Mahadevan Balasubramaniam, Boon Kwee Lee +3 more 2018-11-06
10107789 Multi-component fluid determination in a well bore David Cyril Hendry, Alan James Fenwick 2018-10-23
10094212 Data communications system 2018-10-09
9976412 Data communications system 2018-05-22
9951609 Data communications system 2018-04-24
9840907 Data communications system 2017-12-12
9541665 Fluid determination in a well bore David Cyril Hendry 2017-01-10
9541436 Distributed two dimensional fluid sensor 2017-01-10
9234419 High temperature downhole gauge system 2016-01-12
8482564 Region overlap control for autorange/autoset functions Craig Harvey Nelson, Evan A. Dickinson, Leif X. Running, Steven C. Herring 2013-07-09
4757406 High capacity disk drive Alec D. Stewart 1988-07-12