Patent Assignment
Reel/Frame 026026/0749
Change of Name
Recorded: 2011-03-25
Pages: 9
Assignor
HWC ENERGY SERVICES, INC.
Executed: 2006-03-09
Assignee
OIL STATES ENERGY SERVICES, INC.
THREE ALLEN CENTER, 333 CLAY STREET, SUITE 4620, C/O OIL STATES INTERNATIONAL, INC., HOUSTON, TEXAS, 77002
Covered Property
(1)
Fracturing Head with Replaceable Inserts for Improved Wear Resistance 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
Mar 25, 2011
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 026024/0399 →
Assignment of Assignor's Interest
Mar 25, 2011
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 026024/0556 →
Assignment of Assignor's Interest
Mar 25, 2011
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 026024/0694 →
Assignee Change of Address
Mar 25, 2011
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 026026/0718 →
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 →