Patent Assignment
Reel/Frame 018835/0459
Assignment of Assignor's Interest
Recorded: 2007-01-25
Pages: 19
Assignor
OIL STATES ENERGY SERVICES, INC.
Executed: 2006-12-19
Assignee
STINGER WELLHEAD PROTECTION, INC.
P.O. BOX 1639, ALLEN, TEXAS, 75013-0028
Covered Properties
(2)
Drilling Flange and Independent Screwed Wellhead with Metal-to-Metal Seal and Method of Use
Hybrid Wellhead System and Method of Use
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 20, 2006
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 018735/0208 →
Assignment of Assignor's Interest
Dec 20, 2006
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 018735/0183 →
Assignment of Assignor's Interest
Dec 20, 2006
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 018735/0200 →
Change of Assignee Address
Jul 19, 2007
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019588/0172 →
Assignment of Assignor's Interest
Dec 3, 2007
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 020338/0223 →
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
Oct 15, 2012
From: STINGER WELLHEAD PROTECTION, INCORPORATED
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 029131/0638 →
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 →