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Tri Canh Le
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Spring, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Blowout preventer and locking mechanism
Patent number
7,195,224
Issue date
Mar 27, 2007
Varco I/P, Inc.
Tri Canh Le
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Shear ram assembly
Patent number
6,719,042
Issue date
Apr 13, 2004
Varco Shaffer, Inc.
Christopher D. Johnson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulically controlled blowout preventer
Patent number
5,505,426
Issue date
Apr 9, 1996
Varco Shaffer, Inc.
Melvyn F. Whitby
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
RETRIEVABLE HYDRAULIC SUBSEA BOP CONTROL POD
Publication number
20100155073
Publication date
Jun 24, 2010
Diamond Offshore Drilling, Inc.
Robert Norman Blank
E21 - EARTH DRILLING MINING
Information
Patent Application
Blowout preventer and locking mechanism
Publication number
20060169933
Publication date
Aug 3, 2006
Tri Canh Le
E21 - EARTH DRILLING MINING
Information
Patent Application
Shear ram assembly
Publication number
20040003919
Publication date
Jan 8, 2004
Christopher D. Johnson
E21 - EARTH DRILLING MINING