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Astrid Kristoffersen
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Sandvika, NO
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Patents Grants
last 30 patents
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Patent Grant
Advanced fluidics gate valve with active flow control for subsea ap...
Patent number
8,567,759
Issue date
Oct 29, 2013
Vetco Gray Inc.
Emad Ahmad Obaid Gharaibah
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
ADVANCED FLUIDICS GATE VALVE WITH ACTIVE FLOW CONTROL FOR SUBSEA AP...
Publication number
20120024385
Publication date
Feb 2, 2012
Vetco Gray Inc.
Emad Ahmad Obaid Gharaibah
E21 - EARTH DRILLING MINING