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Inventor
LANDRITH JAMES
US
2 patents
Patents
2 patents
US11293462B2
Apr 5, 2022
Pilot close vent valve
NAT OILWELL VARCO LP
0 citations
47
US10508663B2
Dec 17, 2019
Hydraulic circuit for controlling a movable component
NAT OILWELL VARCO LP
0 citations
37