Patent Assignment
Reel/Frame 019278/0821
Assignment of Assignor's Interest
Recorded: 2007-04-16
Pages: 44
Assignor
HWCES INTERNATIONAL
Executed: 2006-02-28
Assignee
HWC ENERGY SERVICES, INC.
THREE ALLEN CENTER, 333 CLAY STREET, SUITE 4620, C/O OIL STATES INTERNATIONAL, INC., HOUSTON, TEXAS, 77002
Covered Property
(1)
Method of Refurbishing a High-Pressure Plug Valve
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 16, 2007
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 019782/0838 →
Assignment of Assignor's Interest
Apr 16, 2007
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 019799/0956 →
Change of Name
Apr 16, 2007
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 019799/0969 →
Assignment of Assignor's Interest
Apr 16, 2007
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019804/0693 →
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 →