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Hernani G. DeOcampo
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Spring, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Spherical-annular blowout preventer having a plurality of pistons
Patent number
9,121,245
Issue date
Sep 1, 2015
ZP Interests, LLC
Hernani G. DeOcampo
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
MULTI-STAGE BLOWOUT PREVENTER AND METHOD OF USING SAME
Publication number
20160084031
Publication date
Mar 24, 2016
ZP Interests, LLC
Hernani G. DeOcampo
E21 - EARTH DRILLING MINING
Information
Patent Application
SPHERICAL-ANNULAR BLOWOUT PREVENTER HAVING A PLURALITY OF PISTONS
Publication number
20150144356
Publication date
May 28, 2015
ZP INTERESTS, LLC
Hernani G. DeOcampo
E21 - EARTH DRILLING MINING
Information
Patent Application
SPHERICAL-ANNULAR BLOWOUT PREVENTER HAVING A PLURALITY OF PISTONS
Publication number
20150144813
Publication date
May 28, 2015
ZP INTERESTS, LLC
Hernani G. DeOcampo
E21 - EARTH DRILLING MINING