DH

Detlef Hahn

BO Baker Hughes Oilfield Operations: 1 patents #95 of 364Top 30%
📍 Grafenau, DE: #2 of 7 inventorsTop 30%
Overall (2022): #475,757 of 548,613Top 90%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11499420 Oscillating shear valve for mud pulse telemetry and operation thereof Volker Peters, Heiko Eggers, Heige Brand 2022-11-15