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Darwin D. Arline
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Houston, TX, US
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last 30 patents
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Patent Grant
Swellable packer with back-up systems
Patent number
7,806,193
Issue date
Oct 5, 2010
Baker Hughes Incorporated
Vel Berzin
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Patent Grant
Field assembled packer
Patent number
7,478,679
Issue date
Jan 20, 2009
Baker Hughes Incorporated
Vel Berzin
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
METHOD OF MAKING A DOWNHOLE SWELLABLE SEAL WITH A PASSAGEWAY THERET...
Publication number
20130283593
Publication date
Oct 31, 2013
BAKER HUGHES INCORPORATED
Robert O. Castillo
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Application
DOWNHOLE SEALING DEVICE AND METHOD OF MAKING
Publication number
20130008643
Publication date
Jan 10, 2013
BAKER HUGHES INCORPORATED
Robert O. Castillo
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
DOWNHOLE SEALING DEVICE AND METHOD OF MAKING
Publication number
20100230902
Publication date
Sep 16, 2010
BAKER HUGHES INCORPORATED
Robert O. Castillo
E21 - EARTH DRILLING MINING
Information
Patent Application
Swellable Packer with Back-Up Systems
Publication number
20090139707
Publication date
Jun 4, 2009
BAKER HUGHES INCORPORATED
Vel Berzin
E21 - EARTH DRILLING MINING
Information
Patent Application
Field assembled packer
Publication number
20080135260
Publication date
Jun 12, 2008
Vel Berzin
E21 - EARTH DRILLING MINING