Patent Assignment
Reel/Frame 022003/0008
Change of Name
Recorded: 2008-12-18
Pages: 9
Assignor
HWC ENERGY SERVICES, INC.
Executed: 2006-03-09
Assignee
OIL STATES ENERGY SERVICES INC.
333 CLAY STREET, SUITE 4620, 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.
Assignment of Assignor's Interest
Dec 18, 2008
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 022002/0762 →
Assignment of Assignor's Interest
Dec 18, 2008
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 022002/0876 →
Assignment of Assignor's Interest
Dec 18, 2008
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 022003/0082 →
Assignee Change of Address
Dec 18, 2008
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 022003/0226 →
Merger
Oct 16, 2012
From: STINGER WELLHEAD PROTECTION, INCORPORATED
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 029138/0764 →
Assignment of Assignor's Interest
Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →