Patent Assignment
Reel/Frame 016713/0171
Assignment of Assignor's Interest
Recorded: 2005-06-24
Pages: 7
Assignee
HWCES INTERNATIONAL, C/O OIL STATES INTERNATIONAL, INC.
333 CLAY STREET, SUITE 4620, THREE ALLEN CENTER, HOUSTON, TEXAS, 77002
Covered Properties
(13)
Casing Mandrel with Well Stimulation Tool and Tubing Head Spool for Use with the Casing Mandrel
Multi-Lock Adapters for Independent Screwed Wellheads and Methods of Using Same
Adapters for Double-Locking Casing Mandrel and Method of Using Same
Drilling Flange and Independent Screwed Wellhead with Metal-to-Metal Seal and Method of Use
Wellhead and Control Stack Pressure Test Plug Tool
Hybrid Wellhead System and Method of Use
System and Method for Low-Pressure Well Completion
Application:
10/812,446 →
Publication:
US 2005/0211442
Casing-Engaging Well Tree Isolation Tool and Method of Use
High-pressure plug valve
Fracturing Head with Replaceable Inserts for Improved Wear Resistance and Method of Refurbishing Same
Cup Tool, Cup Tool Cup and Method of Using the Cup Tool
Gate Valve with Replaceable Inserts
Blast Joint Swivel for Wellhead Isolation Tool and Method of Using Same
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 9, 2006
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 017636/0559 →
Change of Name
Jun 2, 2006
From: HWC ENERGY SERVICE, INC.
To: OIL STATES ENERGY SERVICES, INC
Reel/Frame 017957/0310 →
Assignment of Assignor's Interest
Dec 21, 2006
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 018767/0230 →
Change of Assignee Address
Jul 19, 2007
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019588/0172 →
Merger
Oct 15, 2012
From: STINGER WELLHEAD PROTECTION, INCORPORATED
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 029131/0638 →
Merger
Oct 15, 2012
From: STINGER WELLHEAD PROTECTION, INCORPORATED
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 029130/0379 →
Assignment of Assignor's Interest
Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →