Patent Assignment
Reel/Frame 020338/0223
Assignment of Assignor's Interest
Recorded: 2007-12-03
Pages: 7
Assignee
HWCES INTERNATIONAL
THREE ALLEN CENTER, 333 CLAY STREET, C/O OIL STATES INTERNATIONAL, INC., SUITE 4620, HOUSTON, TEXAS, 77002
Covered Property
(1)
Hybrid Wellhead System 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
Jan 25, 2007
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 018835/0459 →
Change of Assignee Address
Jul 19, 2007
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019588/0172 →
Change of Name
Dec 3, 2007
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 020216/0130 →
Assignment of Assignor's Interest
Jan 8, 2008
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES,INC.
Reel/Frame 020340/0810 →
Merger
Jan 11, 2013
From: STINGER WELLHEAD PROTECTION, INCORPORATED
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 029617/0280 →
Assignment of Assignor's Interest
Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →