Patent Assignment
Reel/Frame 018869/0309
Assignment of Assignor's Interest
Recorded: 2007-01-29
Pages: 13
Assignor
HWCES INTERNATIONAL
Executed: 2006-02-28
Assignee
HWC ENERGY SERVICES, INC.
THREE ALLEN CENTER, 333 CLAY STREET, C/O OIL STATES INTERNATIONAL, INC. SUITE 4620, HOUSTON, TEXAS, 77002
Covered Property
(1)
Wellhead and Control Stack Pressure Test Plug Tool
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jan 29, 2007
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 018869/0331 →
Assignment of Assignor's Interest
Jan 29, 2007
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 018869/0339 →
Assignment of Assignor's Interest
Jan 29, 2007
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 018869/0393 →
Change of Assignee Address
Jul 19, 2007
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019588/0172 →
Merger
Oct 15, 2012
From: STINGER WELLHEAD PROTECTION, INCORPORATED
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 029131/0638 →
Assignment of Assignor's Interest
Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →