IP Library › Assignment 025141/0379
Patent Assignment
Reel/Frame 025141/0379

Assignment of Assignor's Interest

Recorded: 2010-10-14 Pages: 4
Assignors
NGUYEN, KHANG VAN
Executed: 2010-10-14
TRUMBULL, MARTIN ANTHONY
Executed: 2010-10-14
Assignee
WOOD GROUP PRESSURE CONTROL LIMITED
3250 BRIARPARK DRIVE, SUITE 100, HOUSTON, TEXAS, 77042
Covered Property (1)
Dual Barrier Plug System for a Wellhead
Patent: 8,499,842 →
Application: 12/855,543 →
Publication: US 2011/0036596
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 24, 2012
From: WOOD GROUP PRESSURE CONTROL LIMITED
To: GE OIL & GAS PRESSURE CONTROL LP
Reel/Frame 028099/0203 →
Security Interest Nov 4, 2020
From: VAULT PRESSURE CONTROL LLC
To: SIENA LENDING GROUP LLC
Reel/Frame 054302/0559 →
Assignment of Assignor's Interest Nov 5, 2020
From: BAKER HUGHES HOLDINGS LLC; BAKER HUGHES PRESSURE CONTROL LP; VETCO GRAY, LLC; BAKER HUGHES OILFIELD OPERATIONS LLC
To: VAULT PRESSURE CONTROL LLC
Reel/Frame 054330/0001 →