Patent Assignment
Reel/Frame 020251/0743
Change of Name
Recorded: 2007-11-29
Pages: 8
Assignor
HWC ENERGY SERVICES, INC.
Executed: 2006-03-09
Assignee
OIL STATES ENERGY SERVICES,INC.
C/O OIL STATES INTERNATIONAL, INC, SUITE 4620, THREE ALLEN CENTER, 333 CLAY STREET, HOUSTON, TEXAS, 77002
Covered Property
(1)
Gate Valve with Replaceable Inserts and Method of Refurbishing Same
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Address
Nov 29, 2007
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020251/0756 →
Assignment of Assignor's Interest
Nov 29, 2007
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 020251/0758 →
Assignment of Assignor's Interest
Nov 29, 2007
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 020251/0771 →
Assignment of Assignor's Interest
Nov 29, 2007
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020266/0952 →
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 →