Remotely-actuated high pressure seals for wellhead pressure control fittings | Patent Number 09879496
US 09879496 B2Filled DateJun 6, 2017
Priority DateDec 7, 2015
Publication DateSep 21, 2017
Expiration DateDec 6, 2035
Inventor/ApplicantsNicolas G. Snoke
Keith C. Johansen
Keith C. Johansen
ExaminesSTEPHENSON, DANIEL P
Art Unit3676
Technology Center3600
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