Inventor
LANDRITH II JAMES RAY
US5 patents
⚠️ This page may combine multiple inventors who share the name “LANDRITH II JAMES RAY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT OILWELL VARCO LP
4 patentsUS10337638B2Jul 2, 2019
Slow-shift SPM valve
NAT OILWELL VARCO LP7 citations80
US9416628B2Aug 16, 2016
Blowout preventer activator and method of using same
NAT OILWELL VARCO LP4 citations66
US9394758B2Jul 19, 2016
Sealable wellsite valve and method of using same
NAT OILWELL VARCO LP5 citations66
US9428994B2Aug 30, 2016
Blowout preventer monitor with trigger sensor and method of using same
NAT OILWELL VARCO LP1 citations46