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Joseph Robert McManus
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Claremore, OK, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dual ESP with selectable pumps
Patent number
11,773,857
Issue date
Oct 3, 2023
Baker Hughes Holdings LLC
Xiao Nan Lu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for prevention of rotation in permanent magnet...
Patent number
11,649,827
Issue date
May 16, 2023
Baker Hughes Oilfield Operations LLC
Xiaonan Lu
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR PREVENTION OF ROTATION IN PERMANENT MAGNET...
Publication number
20230323884
Publication date
Oct 12, 2023
Baker Hughes Oilfield Operations LLC
Xiaonan Lu
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR PREVENTION OF ROTATION IN PERMANENT MAGNET...
Publication number
20210095674
Publication date
Apr 1, 2021
Baker Hughes Oilfield Operations, LLC
Xiaonan Lu
E21 - EARTH DRILLING MINING
Information
Patent Application
Regenerated Power Accumulator for Rod Lift Drive
Publication number
20200332791
Publication date
Oct 22, 2020
Baker Hughes Oilfield Operations LLC
Mohammed Arefeen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Dual ESP with Selectable Pumps
Publication number
20200116154
Publication date
Apr 16, 2020
BAKER HUGHES, A GE COMPANY, LLC
Xiao Nan Lu
E21 - EARTH DRILLING MINING