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Daryl Stevenson
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Cypress, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and methods for heating and quenching tubular members
Patent number
11,473,161
Issue date
Oct 18, 2022
Grant Prideco, L.P.
Daryl Stevenson
C21 - METALLURGY OF IRON
Information
Patent Grant
Wellbore tubular air quenching
Patent number
11,198,919
Issue date
Dec 14, 2021
National-Oilwell Varco, L.P.
David Martin Ellis
C21 - METALLURGY OF IRON
Information
Patent Grant
System and method for heat treating a tubular
Patent number
10,841,985
Issue date
Nov 17, 2020
National-Oilwell Varco, L.P.
Kevin Joseph Wyble
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wellbore tubular air quenching
Patent number
10,344,346
Issue date
Jul 9, 2019
National-Oilwell Varco, L.P.
David Martin Ellis
C21 - METALLURGY OF IRON
Information
Patent Grant
System and method for heat treating a tubular
Patent number
10,034,330
Issue date
Jul 24, 2018
National-Oilwell Varco, L.P.
Kevin Joseph Wyble
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Apparatus and Methods for Heating and Quenching Tubular Members
Publication number
20200299794
Publication date
Sep 24, 2020
GRANT PRIDECO, L.P.
Daryl Stevenson
C21 - METALLURGY OF IRON
Information
Patent Application
WELLBORE TUBULAR AIR QUENCHING
Publication number
20190276908
Publication date
Sep 12, 2019
National-Oilwell Varco, L.P.
David Martin Ellis
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
System And Method For Heat Treating A Tubular
Publication number
20180324902
Publication date
Nov 8, 2018
National-Oilwell Varco, L.P.
Kevin Joseph Wyble
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WELLBORE TUBULAR AIR QUENCHING
Publication number
20160298206
Publication date
Oct 13, 2016
David Martin Ellis
C21 - METALLURGY OF IRON
Information
Patent Application
System And Method For Heat Treating A Tubular
Publication number
20140263284
Publication date
Sep 18, 2014
National-Oilwell Varco, L.P.
Kevin Joseph Wyble
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR