IP Library › Assignment 038895/0502
Patent Assignment
Reel/Frame 038895/0502

Nunc Pro Tunc Assignment

Recorded: 2016-06-06 Pages: 5
Assignor
KEY ENERGY SERVICES, LLC
Executed: 2016-06-03
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE DRIVE, ROSHARON, TEXAS, 77583
Covered Properties (5)
Anchor and Hydraulic Setting Assembly
Anchor assembly and method of installing anchors
Patent: 8,684,096 →
Application: 12/592,026 →
Publication: US 2010/0252278
Hydraulic Setting Assembly
Patent: 8,453,729 →
Application: 12/658,226 →
Publication: US 2010/0252252
Methods and apparatus for cementing wells
Patent: 9,303,477 →
Application: 13/506,227 →
Publication: US 2013/0180715
Anchoring Device
Application: 61/166,169 →
Related Assignments (20)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 19, 2009
From: HARRIS, MICHAEL J.; STULBERG, MARTIN ALFRED
To: ENHANCED OILFIELD TECHNOLOGIES, LLC
Reel/Frame 023583/0503 →
Assignment of Assignor's Interest Feb 4, 2010
From: HARRIS, MICHAEL J.; STULBERG, MARTIN ALFRED
To: ENHANCED OILFIELD TECHNOLOGIES, LLC
Reel/Frame 023968/0249 →
Assignment of Assignor's Interest Mar 25, 2010
From: HARRIS, MICHAEL J.; STUIBERG, MARTIN ALFRED
To: ENHANCED OILFIELD TECHNOLOGIES, LLC
Reel/Frame 024141/0797 →
Merger Jan 5, 2011
From: ENHANCED OILFIELD TECHNOLOGIES, LLC
To: KEY ENERGY SERVICES, LLC
Reel/Frame 025590/0062 →
Merger Jan 5, 2011
From: ENHANCED OILFIELD TECHNOLOGIES, LLC
To: KEY ENERGY SERVICES, LLC
Reel/Frame 025586/0410 →
Merger Jan 6, 2011
From: ENHANCED OILFIELD TECHNOLOGIES, LLC
To: KEY ENERGY SERVICES, LLC
Reel/Frame 025593/0862 →
Assignment of Assignor's Interest Jan 6, 2011
From: HARRIS, MICHAEL J.; STULBERG, MARTIN ALFRED
To: ENHANCED OILFIELD TECHNOLOGIES, LLC
Reel/Frame 025593/0696 →
Assignment of Assignor's Interest Jan 6, 2011
From: HARRIS, MICHAEL J.; STULBERG, MARTIN ALFRED
To: ENHANCED OILFIELD TECHNOLOGIES, LLC
Reel/Frame 025593/0635 →
Patent Security Agreement Supplement Between Key Energy Servixes, Llc and Bank of America, Dated 1/14/2011 Jan 24, 2011
From: KEY ENERGY SERVICES, LLC
To: BANK OF AMERICA NATIONAL ASSOCIATION
Reel/Frame 025676/0857 →
Assignment of Assignor's Interest Sep 27, 2012
From: HARRIS, MICHAEL J.; STULBERG, MARTIN ALFRED
To: KEY ENERGY SERVICES, LLC
Reel/Frame 029067/0395 →
Security Interest Jun 1, 2015
From: KEY ENERGY SERVICES, LLC
To: CORTLAND CAPITAL MARKET SERVICES LLC, AS AGENT
Reel/Frame 035801/0073 →
Security Interest Jun 2, 2015
From: KEYSTONE ENERGY SERVICES, LLC
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 035814/0158 →
Corrective Assignment to Correct the Assignor Name Previously Recorded at Reel: 035814 Frame: 0158. Assignor(S) Hereby Confirms the Security Interest. Aug 6, 2015
From: KEY ENERGY SERVICES, LLC
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 036284/0840 →
Release of Security Interest in Patents Feb 24, 2016
From: BANK OF AMERICA, N.A., AS PAYING AGENT
To: KEY ENERGY SERVICES, LLC
Reel/Frame 037903/0296 →
Release of Security Interest in Specified Patents and Trademarks Mar 29, 2016
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: KEY ENERGY SERVICES, LLC
Reel/Frame 038299/0018 →
Release of Security Interest Mar 29, 2016
From: CORTLAND CAPITAL MARKETS LLC
To: KEY ENERGY SERVICES, LLC
Reel/Frame 038123/0932 →
Release of Security Interest Dec 15, 2016
From: BANK OF AMERICA, N.A.
To: KEY ENERGY SERVICES, LLC
Reel/Frame 040995/0825 →
Release of Security Interest Dec 16, 2016
From: CORTLAND CAPITAL MARKET SERVICES LLC
To: KEY ENERGY SERVICES, LLC
Reel/Frame 040996/0899 →
Intellectual Property Security Agreement Mar 6, 2020
From: KEY ENERGY SERVICES, LLC
To: CORTLAND PRODUCTS CORP., AS AGENT
Reel/Frame 052116/0904 →
After-Acquired Intellectual Property Security Agreement Mar 6, 2020
From: KEY ENERGY SERVICES, LLC
To: BANK OF AMERICA, N.A., AS AGENT
Reel/Frame 052114/0428 →