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Michael Foster
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Katy, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Bypass devices for a subterranean wellbore
Patent number
11,015,419
Issue date
May 25, 2021
BP Corporation North America Inc.
Michael J. Foster
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flapper latch
Patent number
7,762,336
Issue date
Jul 27, 2010
Weatherford/Lamb, Inc.
Eric T. Johnson
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Dual flapper barrier valve
Patent number
7,673,689
Issue date
Mar 9, 2010
Weatherford/Lamb, Inc.
Stephen L. Jackson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and methods for installing instrumentation line in a well...
Patent number
7,213,657
Issue date
May 8, 2007
Weatherford/Lamb, Inc.
Gisle Vold
E21 - EARTH DRILLING MINING
Information
Patent Grant
Adjustable deployment apparatus for an actively clamped tubing-conv...
Patent number
6,986,389
Issue date
Jan 17, 2006
Weatherford/Lamb, Inc.
Michael Foster
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
SAND SCREEN ASSEMBLIES FOR A SUBTERRANEAN WELLBORE
Publication number
20230265745
Publication date
Aug 24, 2023
BP CORPORATION NORTH AMERICA INC.
Michael J. Foster
E21 - EARTH DRILLING MINING
Information
Patent Application
BYPASS DEVICES FOR A SUBTERRANEAN WELLBORE
Publication number
20190345799
Publication date
Nov 14, 2019
BP CORPORATION NORTH AMERICA INC.
Michael J. Foster
E21 - EARTH DRILLING MINING
Information
Patent Application
DEBRIS BARRIER FOR DOWNHOLE VALVE IN WELL
Publication number
20090090518
Publication date
Apr 9, 2009
WEATHERFORD/LAMB, INC.
Robert Coon
E21 - EARTH DRILLING MINING
Information
Patent Application
POSITION SENSOR FOR DETERMINING OPERATIONAL CONDITION OF DOWNHOLE TOOL
Publication number
20080236819
Publication date
Oct 2, 2008
WEATHERFORD/LAMB, INC.
MICHAEL J. FOSTER
E21 - EARTH DRILLING MINING
Information
Patent Application
FLAPPER LATCH
Publication number
20080210431
Publication date
Sep 4, 2008
Eric T. Johnson
E21 - EARTH DRILLING MINING
Information
Patent Application
WELL BARRIER APPARATUS AND ASSOCIATED METHODS
Publication number
20080115944
Publication date
May 22, 2008
WEATHERFORD/LAMB, INC.
ROBERT COON
E21 - EARTH DRILLING MINING
Information
Patent Application
DUAL FLAPPER BARRIER VALVE
Publication number
20070284119
Publication date
Dec 13, 2007
Stephen L. Jackson
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and methods for installing instrumentation line in a well...
Publication number
20050211441
Publication date
Sep 29, 2005
Gisle Vold
E21 - EARTH DRILLING MINING
Information
Patent Application
Adjustable deployment apparatus for an actively clamped tubing-conv...
Publication number
20040216872
Publication date
Nov 4, 2004
Michael Foster
E21 - EARTH DRILLING MINING