Patent Assignment
Reel/Frame 020251/0756
Change of Address
Recorded: 2007-11-29
Pages: 2
Assignor
STINGER WELLHEAD PROTECTION, INC.
Executed: 2007-05-24
Assignee
STINGER WELLHEAD PROTECTION, INC.
4301 WILL ROGERS PARKWAY, SUITE 600-700, OKLAHOMA CITY, OKLAHOMA, 73108
Covered Property
(1)
Gate Valve with Replaceable Inserts and Method of Refurbishing Same
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Nov 29, 2007
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES,INC.
Reel/Frame 020251/0743 →
Assignment of Assignor's Interest
Nov 29, 2007
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 020251/0758 →
Assignment of Assignor's Interest
Nov 29, 2007
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 020251/0771 →
Assignment of Assignor's Interest
Nov 29, 2007
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020266/0952 →
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 →