ER

Ewan Ogilvie Robb

HS Halliburton Energy Services: 1 patents #338 of 775Top 45%
📍 Brechin, GB: #1 of 1 inventorsTop 100%
Overall (2017): #426,652 of 506,227Top 85%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9657550 Pressure equalization for dual seat ball valve Peter D. W. Inglis 2017-05-23