Patent Assignment
Reel/Frame 020879/0210
Assignment of Assignor's Interest
Recorded: 2008-04-30
Pages: 14
Assignor
HWCES INTERNATIONAL
Executed: 2006-02-28
Assignee
HWC ENERGY SERVICES, INC.
333 CLAY STREET, 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.
Assignment of Assignor's Interest
Apr 30, 2008
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 020879/0142 →
Assignment of Assignor's Interest
Apr 30, 2008
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020879/0375 →
Change of Name
Apr 30, 2008
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 020881/0189 →
Change of Name
Apr 30, 2008
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020977/0875 →
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 →