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James Ray Landrith II
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Humble, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Slow-shift SPM valve
Patent number
11,536,390
Issue date
Dec 27, 2022
National-Oilwell Varco, L.P.
James Ray Landrith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pilot close vent valve
Patent number
11,293,462
Issue date
Apr 5, 2022
NATIONAL OILWELL VARCO, L.P.
Travis James Miller
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic circuit for controlling a movable component
Patent number
10,508,663
Issue date
Dec 17, 2019
National-Oilwell Varco, L.P.
Richard W. Cowan
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Slow-shift SPM valve
Patent number
10,337,638
Issue date
Jul 2, 2019
National-Oilwell Varco, L.P.
James Ray Landrith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Blowout preventer monitor with trigger sensor and method of using same
Patent number
9,428,994
Issue date
Aug 30, 2016
National-Oilwell Varco, L.P.
James Ray Landrith
E21 - EARTH DRILLING MINING
Information
Patent Grant
Blowout preventer activator and method of using same
Patent number
9,416,628
Issue date
Aug 16, 2016
National-Oilwell Varco, L.P.
James Ray Landrith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Sealable wellsite valve and method of using same
Patent number
9,394,758
Issue date
Jul 19, 2016
National-Oilwell Varco, L.P.
James Ray Landrith
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Pilot Close Vent Valve
Publication number
20200362885
Publication date
Nov 19, 2020
Travis James Miller
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
SLOW-SHIFT SPM VALVE
Publication number
20190264829
Publication date
Aug 29, 2019
National-Oilwell Varco, L.P.
James Ray Landrith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
HYDRAULIC CIRCUIT FOR CONTROLLING A MOVABLE COMPONENT
Publication number
20190055963
Publication date
Feb 21, 2019
National-Oilwell Varco, L.P.
Richard W. Cowan
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Slow-Shift SPM Valve
Publication number
20160153578
Publication date
Jun 2, 2016
National-Oilwell Varco, L.P.
James Ray Landrith
E21 - EARTH DRILLING MINING
Information
Patent Application
BLOWOUT PREVENTER ACTIVATOR AND METHOD OF USING SAME
Publication number
20140374118
Publication date
Dec 25, 2014
James Ray Landrith
E21 - EARTH DRILLING MINING
Information
Patent Application
SEALABLE WELLSITE VALVE AND METHOD OF USING SAME
Publication number
20140326459
Publication date
Nov 6, 2014
National-Oilwell Varco, L.P.
James Ray Landrith
E21 - EARTH DRILLING MINING
Information
Patent Application
BLOWOUT PREVENTER MONITOR WITH TRIGGER SENSOR AND METHOD OF USING SAME
Publication number
20140311735
Publication date
Oct 23, 2014
James Ray Landrith
E21 - EARTH DRILLING MINING