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Josh Williams
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Stafford, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Regulator having check valve manifold for use in subsea control cir...
Patent number
12,173,576
Issue date
Dec 24, 2024
National Coupling Company, Inc.
Chris Roy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Regulator having check valve manifold for use in subsea control cir...
Patent number
11,905,782
Issue date
Feb 20, 2024
National Coupling Company, Inc.
Chris Roy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pressure-compensated, subsea chemical injection valve
Patent number
11,454,329
Issue date
Sep 27, 2022
National Coupling Company, Inc.
Max Stetzer
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Regulator Having Check Valve Manifold for Use in Subsea Control Cir...
Publication number
20240125192
Publication date
Apr 18, 2024
National Coupling Company, Inc.
Chris ROY
E21 - EARTH DRILLING MINING
Information
Patent Application
Regulator Having Check Valve Manifold for Use in Subsea Control Cir...
Publication number
20230287753
Publication date
Sep 14, 2023
National Coupling Company, Inc.
Chris ROY
E21 - EARTH DRILLING MINING
Information
Patent Application
Pressure-Compensated, Subsea Chemical Injection Valve
Publication number
20210071772
Publication date
Mar 11, 2021
National Coupling Company, Inc.
Max Stetzer
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...