Patent Assignment
Reel/Frame 020561/0646
Assignment of Assignor's Interest
Recorded: 2008-02-26
Pages: 14
Assignor
HWCES INTERNATIONAL
Executed: 2006-02-28
Assignee
HWC ENERGY SERVICES, INC.
333 CLAY STREET, SUITE 4620, C/O OIL STATES INTERNATIONAL, INC., HOUSTON, TEXAS, 77002
Covered Property
(1)
Drilling Flange and Independent Screwed Wellhead with Metal-to-Metal Seal and Method of Use
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 26, 2008
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 020561/0470 →
Change of Name
Feb 26, 2008
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 020561/0833 →
Assignment of Assignor's Interest
Feb 26, 2008
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020608/0419 →
Assignment of Assignor's Interest
Feb 26, 2008
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020788/0343 →
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 →