IP Library › Assignment 026034/0767
Patent Assignment
Reel/Frame 026034/0767

Change of Name

Recorded: 2011-03-28 Pages: 9
Assignor
HWC ENERGY SERVICES, INC.
Executed: 2006-03-09
Assignee
OIL STATES ENERGY SERVICES, INC.
THREE ALLEN CENTER, 333 CLAY STREET, SUITE 4620, C/O OIL STATES INTERNATIONAL, INC., HOUSTON, TEXAS, 77002
Covered Property (1)
High-Pressure Plug Valve
Patent: 8,297,592 →
Application: 13/072,842 →
Publication: US 2011/0175008
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignee Change of Address Mar 28, 2011
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 026028/0261 →
Assignment of Assignor's Interest Mar 28, 2011
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 026030/0275 →
Assignment of Assignor's Interest Mar 28, 2011
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 026030/0314 →
Assignment of Assignor's Interest Mar 28, 2011
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 026030/0354 →
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 →