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Universal Tubing Hanger Suspension Assembly and Well Completion System and Method of Using Same

US 7,419,001 Term ended
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Dec 20, 2024 (PNC Bank, National Association).

Term ended Aug 31, 2025 · High confidence

Filed Aug 31, 2005 as application 11/216,227 · Granted Sep 2, 2008
Base term, 20 years from filing
Today
20 years from filing
Term ended Aug 31, 2025
2005 2026
Clock starts
Aug 31, 2005
Term ended
Aug 31, 2025
Granted
Sep 2, 2008
base term after the term ends fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Aug 31, 2005, when this application, 11/216,227, was filedAug 31, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderAug 31, 2025High confidence

This family

US 7,419,001this patent
Aug 2025
Aug 2025
Application PCT/US2006/018304PCT application
no patent term
no patent term
US 7,604,047Term ended
Aug 2025
Aug 2025
US 8,286,713In force (reinstated)
Feb 2027
Feb 2027
The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Aug 31, 2005
Reel 16947, frame 634
Broussard, EarlNautilus Marine Technologies, Inc.Assignment of Assignor's Interest
May 10, 2006
Reel 17600, frame 122
Nautilus Marine Technologies, Inc.Azura Energy Systems, Inc.Assignment of Assignor's Interest
Mar 30, 2009
Reel 22469, frame 318
Azura Energy Systems Offshore, Inc.The Royal Bank of Scotland PLCSecurity Agreement
May 4, 2009
Reel 22634, frame 106
Azura Energy Systems, Inc.Aesi Holdings, Inc.Change of Name
May 4, 2009
Reel 22634, frame 111
Aesi Holdings, Inc.Galathea Group Inc.Change of Name
Jun 3, 2009
Reel 22764, frame 917
Galathea Group Inc.Argus Subsea Inc.Assignment of Assignor's Interest
Feb 2, 2010
Reel 23882, frame 153
Argus Subsea Inc.The Royal Bank of Scotland PLCAmended and Restated Patent Security Agreement Supplement
Jul 5, 2011
Reel 26544, frame 827
Azura Energy Systems Offshore, Inc.Haymarket Financial LLP, as Security AgentSecurity Agreement
Jul 11, 2011
Reel 26573, frame 888
The Royal Bank of Scotland PLCArgus Subsea Inc.Release of Security Interest
Dec 20, 2012
Reel 29529, frame 937
Proserv Operations LLC; Proserv Holdings Inc.; Proserv Offshore Inc.; Argus Subsea LLC; Gilmore Valve Company; Proserv International Holdings LLC; Proserv Offshore Holdings, Inc.HSBC Corporate Trustee Company (UK) LimitedPatent Security Agreement Supplement Dated December 8, 2012
Jan 8, 2013
Reel 29586, frame 764
Haymarket Financial LLP, a Security AgentAzura Energy Systems, Inc.; Gilmore Valve Company; Argus Subsea Inc.Release of Security Interest
Jan 8, 2013
reel/frame not recorded
Haymarket Financial LLP, a Security AgentAzura Energy Systems, Inc.Release of Security Interest
Jan 8, 2013
reel/frame not recorded
Haymarket Financial LLP, a Security AgentGilmore Valve CompanyRelease of Security Interest
Jan 8, 2013
reel/frame not recorded
Haymarket Financial LLP, a Security AgentArgus Subsea Inc.Release of Security Interest
May 6, 2013
Reel 30353, frame 45
Gilmore Valve Company; Argus Subsea LLC; Proserv Offshore LLCProserv Operations, Inc.Merger
May 6, 2013
Reel 30353, frame 458
Argus Subsea LLC; Gilmore Valve Company; Proserv Offshore, LLCProserv Offshore, Inc.Merger
Jan 26, 2015
Reel 34810, frame 135
HSBC Corporation Trustee Company (UK) LimitedProserv Operations, LLC; Azura Energy Systems Offshore, Inc.; Gilmore Valve Company; Argus Subsea Inc.Termination and Release of Security Interest in Patents
Jan 26, 2015
reel/frame not recorded
HSBC Corporation Trustee Company (UK) LimitedProserv Operations, LLCTermination and Release of Security Interest in Patents
Jan 26, 2015
reel/frame not recorded
HSBC Corporation Trustee Company (UK) LimitedAzura Energy Systems Offshore, Inc.Termination and Release of Security Interest in Patents
Jan 26, 2015
reel/frame not recorded
HSBC Corporation Trustee Company (UK) LimitedGilmore Valve CompanyTermination and Release of Security Interest in Patents
Jan 26, 2015
reel/frame not recorded
HSBC Corporation Trustee Company (UK) LimitedArgus Subsea Inc.Termination and Release of Security Interest in Patents
Jan 29, 2015
Reel 34839, frame 404
HSBC Corporate Trustee Company (UK) Limited as Security AgentProserv Group Inc.; Azura Energy Systems Offshore Inc.; Gilmore Valve Company; Argus Subsea Inc.Release of Security Interest
Jan 29, 2015
reel/frame not recorded
HSBC Corporate Trustee Company (UK) Limited as Security AgentProserv Group Inc.Release of Security Interest
Jan 29, 2015
reel/frame not recorded
HSBC Corporate Trustee Company (UK) Limited as Security AgentAzura Energy Systems Offshore Inc.Release of Security Interest
Jan 29, 2015
reel/frame not recorded
HSBC Corporate Trustee Company (UK) Limited as Security AgentGilmore Valve CompanyRelease of Security Interest
Jan 29, 2015
reel/frame not recorded
HSBC Corporate Trustee Company (UK) Limited as Security AgentArgus Subsea Inc.Release of Security Interest
Mar 18, 2015
Reel 35191, frame 852
Proserv Operations Inc.Proserv Operations LLCChange of Name
Mar 18, 2015
Reel 35191, frame 992
Proserv Employing LLC; Proserv Operations Inc.Proserv Operations Inc.Merger and Change of Name
Mar 18, 2015
Reel 35223, frame 128
Argus Subsea Inc.Argus Subsea LLCChange of Name
Mar 18, 2015
Reel 35223, frame 157
Proserv Operations LLCProserv Employing LLCChange of Name
Apr 14, 2015
Reel 35404, frame 208
Proserv Operations Inc.; Proserv UK LimitedHSBC Bank, National Association, as Collateral AgentSecurity Interest
Apr 14, 2015
Reel 35404, frame 603
Proserv Operations Inc.UBS AG, Stamford Branch, as Collateral AgentSecurity Interest
Mar 8, 2018
Reel 45538, frame 279
HSBC Bank USA, National AssociationProserv Operations, Inc.Termination and Release of Security Interest in Patent Collateral
Mar 20, 2018
Reel 45662, frame 200
UBS AG, Stamford BranchRiverstone V Acquisition Holdings Ltd.Assignment of Patent Security Agreement
Mar 22, 2018
Reel 45663, frame 904
Riverstone V Acquisition Holdings Ltd.Proserv Operations, Inc.Termination and Release of Security Interest in Patent Collateral
Dec 10, 2020
Reel 54606, frame 312
Proserv Operations, LLCDril-Quip, Inc.Assignment of Assignor's Interest
Oct 16, 2024
Reel 69175, frame 551
Dril-Quip, Inc.Innovex International, Inc.Change of Name
Dec 20, 2024
Reel 69746, frame 780
Innovex Downhole Solutions, LLC; Innovex International, Inc.; Tercel Oilfield Products USA L.L.C.; Top-Co. Inc.Pnc Bank, National AssociationSecurity Interest
Apr 1, 2025
Reel 70692, frame 509
Innovex Downhole Solutions, LLC; Innovex International, Inc.; Tercel Oilfield Products USA L.L.C.; Downhole Well Solutions, LLCPnc Bank, National AssociationSecurity Interest

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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