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Protected Annulus Flow Arrangement For Subsea Completion System - EP3441558

The patent EP3441558 was granted to Onesubsea UK on Jul 9, 2025. The application was originally filed on Mar 27, 2018 under application number EP18164404A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3441558

ONESUBSEA UK
Application Number
EP18164404A
Filing Date
Mar 27, 2018
Status
Patent Maintained As Amended
Jun 6, 2025
Grant Date
Jul 9, 2025
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

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FMCJul 21, 2021FISH & RICHARDSON PC -

Patent Citations (18) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
OPPOSITIONUS2001054507
OPPOSITIONUS2003089501
OPPOSITIONUS2008156478
OPPOSITIONUS2010101800
OPPOSITIONUS2015053412
OPPOSITIONUS2016326838
OPPOSITIONUS2017016302
OPPOSITIONUS6715554
OPPOSITIONUS8167049
OPPOSITIONUS9458688
OPPOSITIONUS9945202
SEARCHGB2346630
SEARCHUS2003089501
SEARCHUS2003155126
SEARCHUS2010101800
SEARCHUS2014048277
SEARCHUS4880061
SEARCHWO0173259

Non-Patent Literature (NPL) Citations (2) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Anonymous, "Design and Operation of Subsea Production Systems - Subsea Wellhead and Tree Equipment", ANS/API Specification 17D, ISO 13628-4, (20110501), pages 1 - 290, XP055836120-
OPPOSITION- Anonymous, "Subsea Christmas Tree Systems", Norsok Standard Common Requirements U-CR-003, (19941201), pages 1 - 13, XP055836115-

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Dossier Documents

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