DM

David Lyall Mitchell

HS Halliburton Energy Services: 2 patents #131 of 590Top 25%
📍 Singapore, CA: #33 of 102 inventorsTop 35%
Overall (2025): #131,636 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12392423 Downhole valve with rotational position sensor Michael Linley Fripp 2025-08-19
12305484 Pre-positioning a meltable seal for plug and abandonment Michael Linley Fripp 2025-05-20