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Alberto Zubia
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Multiple sealing element assembly
Patent number
8,820,747
Issue date
Sep 2, 2014
Smith International, Inc.
Alberto Zubia
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Flushing procedure for rotating control device
Patent number
8,381,816
Issue date
Feb 26, 2013
Smith International, Inc.
Trung Leduc
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
MULTIPLE SEALING ELEMENT ASSEMBLY
Publication number
20120043726
Publication date
Feb 23, 2012
Smith International, Inc.
Alberto Zubia
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUSHING PROCEDURE FOR ROTATING CONTROL DEVICE
Publication number
20110214871
Publication date
Sep 8, 2011
Smith International, Inc.
Trung Leduc
E21 - EARTH DRILLING MINING