DM

Darryl Kenneth Mackie

HS Halliburton Energy Services: 3 patents #1,681 of 4,711Top 40%
📍 Houston, TX: #6,659 of 21,073 inventorsTop 35%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,350,203 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11867022 Electric ball valve mechanism Adam D. Wright 2024-01-09
10450836 Annulus access valve 2019-10-22
8393397 Apparatus and method for separating a tubular string from a subsea well installation Ross John Trewhella 2013-03-12