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Sarah Brianne Mitchell
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Corona, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Oscillating mud motor
Patent number
10,024,102
Issue date
Jul 17, 2018
WWT North America Holdings, Inc.
Sarah Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flexible casing guide running tool
Patent number
9,708,891
Issue date
Jul 18, 2017
WWT North America Holdings, Inc.
Sarah Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reamer shoe attachment for flexible casing shoe
Patent number
9,702,197
Issue date
Jul 11, 2017
WWT North America Holdings, Inc.
Sarah Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Grant
High expansion or dual link gripper
Patent number
9,447,648
Issue date
Sep 20, 2016
WWT North America Holdings, Inc.
Sarah Brianne Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Non-rotating buoyancy modules for sub-sea conduits
Patent number
8,800,664
Issue date
Aug 12, 2014
WWT North America Holdings, Inc.
Eric Gollmyer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Non-rotating casing centralizer
Patent number
8,668,007
Issue date
Mar 11, 2014
WWT International, Inc.
Garrett C. Casassa
E21 - EARTH DRILLING MINING
Information
Patent Grant
Open hole non-rotating sleeve and assembly
Patent number
8,511,377
Issue date
Aug 20, 2013
WWT International, Inc.
Garrett C. Casassa
E21 - EARTH DRILLING MINING
Information
Patent Grant
In-situ method of forming a non-rotating drill pipe protector assembly
Patent number
8,119,047
Issue date
Feb 21, 2012
WWT International, Inc.
N. Bruce Moore
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotating drill pipe protector attachment and fastener assembly
Patent number
7,938,202
Issue date
May 10, 2011
WWT International, Inc.
Sarah B. Mitchell
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
OSCILLATING MUD MOTOR
Publication number
20160168912
Publication date
Jun 16, 2016
WWT North America Holdings, Inc.
Sarah Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Application
REAMER SHOE ATTACHMENT FOR FLEXIBLE CASING SHOE
Publication number
20150308195
Publication date
Oct 29, 2015
WWT North America Holdings, Inc.
Sarah Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Application
SLIM-LINE CASING CENTRALIZER
Publication number
20150129200
Publication date
May 14, 2015
WWT North America Holdings, Inc.
Norman Bruce Moore
E21 - EARTH DRILLING MINING
Information
Patent Application
FLEXIBLE CASING GUIDE RUNNING TOOL
Publication number
20140110098
Publication date
Apr 24, 2014
WWT INTERNATIONAL, INC.
Sarah Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Application
HIGH EXPANSION OR DUAL LINK GRIPPER
Publication number
20130113227
Publication date
May 9, 2013
WWT International, Inc.
Sarah Brianne Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Application
NON-ROTATING CASING CENTRALIZER
Publication number
20110114338
Publication date
May 19, 2011
Garrett C. Casassa
E21 - EARTH DRILLING MINING
Information
Patent Application
OPEN HOLE NON-ROTATING SLEEVE AND ASSEMBLY
Publication number
20110114307
Publication date
May 19, 2011
Garrett C. Casassa
E21 - EARTH DRILLING MINING
Information
Patent Application
NON-ROTATING BUOYANCY MODULES FOR SUB-SEA CONDUITS
Publication number
20110017516
Publication date
Jan 27, 2011
Eric Gollmyer
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTATING DRILL PIPE PROTECTOR ATTACHMENT AND FASTENER ASSEMBLY
Publication number
20090266618
Publication date
Oct 29, 2009
Sarah B. Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Application
In-situ molded non-rotating drill pipe protector assembly
Publication number
20080217063
Publication date
Sep 11, 2008
N. Bruce Moore
E21 - EARTH DRILLING MINING