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Douglas A. Mitchell
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Spring, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Unmanned surface vehicles, survey systems, and methods for using th...
Patent number
11,820,468
Issue date
Nov 21, 2023
ExxonMobil Technology and Engineering Company
Timothy J. Nedwed
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Patent Grant
Methods of mitigating lost circulation while drilling a wellbore
Patent number
11,035,195
Issue date
Jun 15, 2021
ExxonMobil Upstream Research Company
Bill R. Meeks
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
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Patent Application
POLYMER-BASED PROPPANT FOR UNCONVENTIONAL COMPLETIONS
Publication number
20220002616
Publication date
Jan 6, 2022
ExxonMobil Upstream Research Company
KAUSTUBH S. KULKARNI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Unmanned Surface Vehicles, Survey Systems, And Methods For Using Th...
Publication number
20210101664
Publication date
Apr 8, 2021
ExxonMobil Upstream Research Company
Timothy J. Nedwed
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Methods of Mitigating Lost Circulation While Drilling a Wellbore
Publication number
20190186231
Publication date
Jun 20, 2019
Bill R. Meeks
E21 - EARTH DRILLING MINING