IP Library Assignment 020242/0365
Patent Assignment
Reel/Frame 020242/0365

Assignment of Assignor's Interest

Recorded: 2007-11-29 Pages: 13
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)
Hybrid Wellhead System and Method of Use
Patent: 7,481,269 →
Application: 11/998,300 →
Publication: US 2008/0087415
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 29, 2007
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 020242/0277 →
Change of Name Nov 29, 2007
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 020242/0329 →
Assignment of Assignor's Interest Nov 29, 2007
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020246/0543 →
Change of Assignee Address Nov 29, 2007
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020247/0302 →
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 →