IP Library › Assignment 029617/0280
Patent Assignment
Reel/Frame 029617/0280

Merger

Recorded: 2013-01-11 Pages: 11
Assignor
Assignee
OIL STATES ENERGY SERVICES, L.L.C.
333 CLAY STREET, HOUSTON, TEXAS, 77002
Covered Properties (6)
Hybrid Wellhead System and Method of Use
Patent: 7,395,867 →
Application: 11/650,631 →
Publication: US 2007/0107910
Casing Mandrel with Well Stimulation Tool and Tubing Head Spool for Use with the Casing Mandrel
Patent: 7,422,070 →
Application: 11/823,437 →
Publication: US 2007/0251702
Casing Mandrel for Facilitating Well Completion, Re-Completion or Workover
Patent: 7,921,923 →
Application: 12/570,260 →
Publication: US 2010/0012329
Fracturing Head with Replaceable Inserts for Improved Wear Resistance and Method of Refurbishing Same
Patent: 7,934,546 →
Application: 12/612,079 →
Publication: US 2010/0051258
High-Pressure Plug Valve
Patent: 8,297,592 →
Application: 13/072,842 →
Publication: US 2011/0175008
High-Pressure Threaded Union with Metal-to-Metal Seal, and Metal Ring Gasket for Same
Patent: 8,205,916 →
Application: 13/079,379 →
Publication: US 2011/0175349
Related Assignments (25)
Other recorded transfers of the patents 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 →
Assignment of Assignor's Interest Jun 27, 2007
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019734/0768 →
Change of Name Jun 27, 2007
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 019722/0699 →
Assignment of Assignor's Interest Jun 27, 2007
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 019722/0837 →
Assignment of Assignor's Interest Jun 27, 2007
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 019539/0020 →
Change of Assignee Address Jul 17, 2007
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019579/0072 →
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 Dec 3, 2007
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 020338/0223 →
Assignment of Assignor's Interest Jan 8, 2008
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES,INC.
Reel/Frame 020340/0810 →
Assignment of Assignor's Interest Sep 30, 2009
From: MCGUIRE, BOB
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 023305/0669 →
Change of Name Nov 4, 2009
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 023467/0817 →
Assignment of Assignor's Interest Nov 4, 2009
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 023467/0664 →
Assignment of Assignor's Interest Nov 4, 2009
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 023467/0723 →
Assignment of Assignor's Interest Nov 4, 2009
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 023467/0880 →
Change of Assignee Address Nov 4, 2009
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 023467/0911 →
Assignee Change of Address Mar 28, 2011
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 026028/0261 →
Change of Name Mar 28, 2011
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 026034/0767 →
Assignment of Assignor's Interest Mar 28, 2011
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 026030/0354 →
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: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 026030/0275 →
Assignee Change of Address Apr 4, 2011
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 026073/0245 →
Assignment of Assignor's Interest Apr 4, 2011
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 026070/0695 →
Assignment of Assignor's Interest Apr 4, 2011
From: HWCES INTERNATIONAL
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 026070/0643 →
Assignment of Assignor's Interest Apr 4, 2011
From: DALLAS, L. MURRAY; MCGUIRE, BOB; ARTHERHOLT, DANNY LEE
To: HWCES INTERNATIONAL
Reel/Frame 026070/0612 →