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Brian J. Ritchey
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Hockley, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Treatment tool for use in a subterranean well
Patent number
10,844,695
Issue date
Nov 24, 2020
Weatherford Technology Holdings, LLC
Candido Castro
E21 - EARTH DRILLING MINING
Information
Patent Grant
Positioning tool with extendable landing dogs
Patent number
10,822,900
Issue date
Nov 3, 2020
Weatherford Technology Holdings, LLC
Jason J. Brasseaux
E21 - EARTH DRILLING MINING
Information
Patent Grant
Treatment tool for use in a subterranean well
Patent number
10,227,848
Issue date
Mar 12, 2019
Weatherford Technology Holdings, LLC
Candido Castro
E21 - EARTH DRILLING MINING
Information
Patent Grant
Valve operable in response to engagement of different engagement me...
Patent number
10,167,700
Issue date
Jan 1, 2019
Weatherford Technology Holdings, LLC
Jason J. Brasseaux
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gravel pack manifold and associated systems and methods
Patent number
10,087,724
Issue date
Oct 2, 2018
Weatherford Technology Holdings, LLC
Brian J. Ritchey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Valve operable between open and closed configurations in response t...
Patent number
9,988,876
Issue date
Jun 5, 2018
Weatherford Technology Holdings, LLC
Jason J. Brasseaux
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gravel pack and sand disposal device
Patent number
9,447,661
Issue date
Sep 20, 2016
Weatherford Technology Holdings, LLC
John P. Broussard
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gravel pack inner string adjustment device
Patent number
9,068,435
Issue date
Jun 30, 2015
Weatherford Technology Holdings, LLC
John P. Broussard
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gravel pack inner string hydraulic locating device
Patent number
9,057,251
Issue date
Jun 16, 2015
Weatherford Technology Holdings, LLC
John P. Broussard
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
TREATMENT TOOL FOR USE IN A SUBTERRANEAN WELL
Publication number
20190120025
Publication date
Apr 25, 2019
Weatherford Technology Holdings, LLC.
Candido CASTRO
E21 - EARTH DRILLING MINING
Information
Patent Application
TREATMENT TOOL FOR USE IN A SUBTERRANEAN WELL
Publication number
20170241235
Publication date
Aug 24, 2017
Weatherford Technology Holdings, LLC.
Candido CASTRO
E21 - EARTH DRILLING MINING
Information
Patent Application
VALVE OPERABLE IN RESPONSE TO ENGAGEMENT OF DIFFERENT ENGAGEMENT ME...
Publication number
20170218723
Publication date
Aug 3, 2017
Weatherford Technology Holdings, LLC.
Jason J. BRASSEAUX
E21 - EARTH DRILLING MINING
Information
Patent Application
POSITIONING TOOL WITH EXTENDABLE LANDING DOGS
Publication number
20170218712
Publication date
Aug 3, 2017
Weatherford Technology Holdings, LLC.
Jason J. BRASSEAUX
E21 - EARTH DRILLING MINING
Information
Patent Application
VALVE OPERABLE BETWEEN OPEN AND CLOSED CONFIGURATIONS IN RESPONSE T...
Publication number
20170218724
Publication date
Aug 3, 2017
Weatherford Technology Holdings, LLC.
Jason J. BRASSEAUX
E21 - EARTH DRILLING MINING
Information
Patent Application
GRAVEL PACK MANIFOLD AND ASSOCIATED SYSTEMS AND METHODS
Publication number
20170198556
Publication date
Jul 13, 2017
Weatherford Technology Holdings, LLC.
Brian J. RITCHEY
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Tool having Slips Set by Stacked Rings
Publication number
20170145780
Publication date
May 25, 2017
Weatherford Technology Holdings, LLC.
Candido Castro
E21 - EARTH DRILLING MINING
Information
Patent Application
Gravel Pack and Sand Disposal Device
Publication number
20130008652
Publication date
Jan 10, 2013
WEATHERFORD/LAMB, INC.
John P. Broussard
E21 - EARTH DRILLING MINING
Information
Patent Application
Gravel Pack Inner String Hydraulic Locating Device
Publication number
20120103603
Publication date
May 3, 2012
WEATHERFORD/LAMB, INC.
John P. Broussard
E21 - EARTH DRILLING MINING
Information
Patent Application
Gravel Pack Inner String Adjustment Device
Publication number
20120103631
Publication date
May 3, 2012
WEATHERFORD/LAMB, INC.
John P. Broussard
E21 - EARTH DRILLING MINING