Inventor · disambiguated record
James Ray Landrith, Ii
Also filed as: LANDRITH II JAMES RAY · LANDRITH JAMES
7 granted patents·17 citations·filing 2014–2019
77Inventor score
Top patents by PatentIndex Score
7 records- 0192US10337638B2Slow-shift SPM valveNAT OILWELL VARCO LP·Filed 2015·Granted Jul 2, 2019·7 cites·19 claims
- 0272US9416628B2Blowout preventer activator and method of using sameNAT OILWELL VARCO LP·Filed 2014·Granted Aug 16, 2016·4 cites·24 claims
- 0371US9394758B2Sealable wellsite valve and method of using sameNAT OILWELL VARCO LP·Filed 2014·Granted Jul 19, 2016·5 cites·38 claims
- 0459US11536390B2Slow-shift SPM valveNAT OILWELL VAREO L P·Filed 2019·Granted Dec 27, 2022·0 cites·18 claims
- 0556US9428994B2Blowout preventer monitor with trigger sensor and method of using sameNAT OILWELL VARCO LP·Filed 2014·Granted Aug 30, 2016·1 cites·33 claims
- 0648US10508663B2Hydraulic circuit for controlling a movable componentNAT OILWELL VARCO LP·Filed 2017·Granted Dec 17, 2019·0 cites·16 claims
- 0747US11293462B2Pilot close vent valveNAT OILWELL VARCO LP·Filed 2017·Granted Apr 5, 2022·0 cites·20 claims
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