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Nicholas Langston
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Yukon, OK, US
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Patents Grants
last 30 patents
Information
Patent Grant
Frac manifold isolation tool
Patent number
11,585,199
Issue date
Feb 21, 2023
Oil States Energy Services, L.L.C.
Richard Brian Sizemore
E21 - EARTH DRILLING MINING
Information
Patent Grant
Frac manifold isolation tool
Patent number
11,428,088
Issue date
Aug 30, 2022
Oil States Energy Services, L.L.C.
Richard Brian Sizemore
E21 - EARTH DRILLING MINING
Information
Patent Grant
Frac manifold isolation tool
Patent number
10,895,139
Issue date
Jan 19, 2021
Oil States Energy Services, L.L.C.
Richard Brian Sizemore
E21 - EARTH DRILLING MINING
Information
Patent Grant
Frac manifold and connector
Patent number
10,858,902
Issue date
Dec 8, 2020
Oil States Energy Services, L.L.C.
Richard Brian Sizemore
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
FRAC MANIFOLD ISOLATION TOOL
Publication number
20210047907
Publication date
Feb 18, 2021
OIL STATES ENERGY SERVICES, L.L.C.
Richard Brian Sizemore
E21 - EARTH DRILLING MINING
Information
Patent Application
FRAC MANIFOLD ISOLATION TOOL
Publication number
20200362682
Publication date
Nov 19, 2020
OIL STATES ENERGY SERVICES, L.L.C.
Richard Brian Sizemore
E21 - EARTH DRILLING MINING
Information
Patent Application
FRAC MANIFOLD AND CONNECTOR
Publication number
20200340322
Publication date
Oct 29, 2020
OIL STATES ENERGY SERVICES, L.L.C.
Richard Brian Sizemore
E21 - EARTH DRILLING MINING
Information
Patent Application
FRAC MANIFOLD ISOLATION TOOL
Publication number
20200340343
Publication date
Oct 29, 2020
OIL STATES ENERGY SERVICES, L.L.C.
Richard Brian Sizemore
E21 - EARTH DRILLING MINING