IP Library Assignment 043631/0021
Patent Assignment
Reel/Frame 043631/0021

Release of Security Interest

Recorded: 2017-09-19 Pages: 9
Assignor
Assignees
LIBERTY OILFIELD SERVICES LLC
950 17TH STREET, SUITE 2400, DENVER, COLORADO, 80202
LOS ACQUISITION CO I LLC
950 17TH STREET, SUITE 2400, DENVER, COLORADO, 80202
Covered Properties (13)
Process for Fracturing a Subterranean Formation
Patent: 7,559,373 →
Application: 11/421,030 →
Publication: US 2007/0007003
Well Product Recovery Process
Patent: 8,061,427 →
Application: 11/421,034 →
Publication: US 2007/0023184
Crosslinking Composition for Fracturing Fluids
Patent: 7,749,946 →
Application: 11/841,401 →
Publication: US 2009/0054273
Low Residue Fluid Fracturing System and Method of Use
Patent: 8,193,127 →
Application: 12/365,586 →
Publication: US 2009/0209438
Apparatus and Method for Creating Pressure Pulses in a Wellbore
Patent: 8,347,965 →
Application: 12/646,826 →
Publication: US 2011/0108276
Method of Treating the Near-Wellbore Zone of the Reservoir
Patent: 9,228,424 →
Application: 13/149,558 →
Publication: US 2012/0305255
Thermo-Gas-Generating Systems and Methods for Oil and Gas Well Stimulation
Application: 14/090,928 →
Publication: US 2014/0144632
Surfactant System as a Self-Diverted Acid for Well Stimulation
Application: 14/106,194 →
Publication: US 2014/0166291
Apparatus and Method for Continuously Mixing Fluids Using Dry Additives
Application: 14/158,167 →
Publication: US 2015/0204165
Hydrocarbon Stimulation by Energetic Chemistry
Application: 14/720,277 →
Publication: US 2015/0337638
Method for Chemically Controlling Delay Time for Breaking Polymers
Application: 62/133,065 →
Boron Sequestration in Fracturing Fluids
Application: 62/151,737 →
Reduced-Noise Hydraulic Fracturing System
Application: 62/371,678 →
Related Assignments (25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 6, 2007
From: LAWRENCE, SALLY; WARRENDER, NEIL
To: SANJEL CORPORATION
Reel/Frame 020071/0643 →
Assignment of Assignor's Interest May 13, 2008
From: JACKSON, ROBERT A.; MACDONALD, DONALD
To: SANJEL CORPORATION
Reel/Frame 020942/0874 →
Assignment of Assignor's Interest Jan 14, 2009
From: GLANVILLE, STEPHEN
To: SANJEL CORPORATION
Reel/Frame 022106/0162 →
Assignment of Assignor's Interest Jan 14, 2009
From: JAMIESON, MERRILL
To: SANJEL CORPORATION
Reel/Frame 022106/0339 →
Assignment of Assignor's Interest Jan 14, 2009
From: GOODMAN, PAUL
To: SANJEL CORPORATION
Reel/Frame 022106/0269 →
Assignment of Assignor's Interest Jan 14, 2009
From: POIRIER, GARY M.
To: FAIRBORNE ENERGY LTD.
Reel/Frame 022106/0674 →
Assignment of Assignor's Interest Jan 14, 2009
From: JACKSON, ROBERT A.
To: SANJEL CORPORATION; FAIRBORNE ENERGY LTD.
Reel/Frame 022106/0589 →
Assignment of Assignor's Interest Jan 14, 2009
From: KALENCHUK, ASHLEY
To: SANJEL CORPORATION
Reel/Frame 022106/0388 →
Assignment of Assignor's Interest Apr 27, 2009
From: THIEME, KARENA; LAWRENCE, SALLY
To: SANJEL CORPORATON
Reel/Frame 022596/0591 →
Assignment of Assignor's Interest Jul 14, 2010
From: SPENCE, JEFFREY W.; GRAY, JAMES K.; EPP, BAILEY T.; MARTINEZ, ALBERTO
To: SANJEL CORPORATION
Reel/Frame 024684/0711 →
Assignment of Assignor's Interest Feb 27, 2014
From: KHL-TECH, INC.
To: RIVERBEND, S.A.
Reel/Frame 032316/0037 →
Assignment of Assignor's Interest Feb 27, 2014
From: ZAVOLSHSKIY, VICTOR B.; BURKO, VLADIMIR A.; IDIYTULLIN, ALBERT R.; MEYNTSER, VALERY O.
To: KHL-TECH, INC.
Reel/Frame 032315/0879 →
Assignment of Assignor's Interest Apr 4, 2014
From: YEUNG, TONY CHUN-CHUNG; DAY, IAN ALEXANDER CORNOCK; DICK, GRAHAM PAUL
To: SANJEL CORPORATION
Reel/Frame 032600/0802 →
Assignment of Assignor's Interest Apr 28, 2014
From: CENTER OIL TECHNOLOGIES LTD.
To: RIVERBEND, S.A.
Reel/Frame 032771/0693 →
Assignment of Assignor's Interest Apr 28, 2014
From: ZAVOLZHSKII, VIKTOR; BURKO, VLADIMIR; IDIYATULLIN, ALBERT; BASIUK, BORIS
To: CENTER OIL TECHNOLOGIES LTD.
Reel/Frame 032771/0553 →
Security Interest Sep 22, 2014
From: SANJEL CORPORATION
To: ALBERTA TREASURY BRANCHES
Reel/Frame 033788/0599 →
Assignment of Assignor's Interest Jun 18, 2015
From: LAWRENCE, SALLY; WEISSENBERGER, MARKUS
To: SANJEL CANADA LTD.
Reel/Frame 035860/0477 →
Patent Assignment Agreement Jan 19, 2017
From: SANJEL CANADA LTD.
To: LOS ACQUISITION CO I LLC
Reel/Frame 041420/0922 →
Assignment of Assignor's Interest Feb 16, 2017
From: SANJEL CANADA LTD.
To: LOS ACQUISITION CO I LLC
Reel/Frame 041281/0685 →
Security Interest Jun 16, 2017
From: LIBERTY OILFIELD SERVICES LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 042738/0675 →
Release of Security Interest Oct 13, 2017
From: ALBERTA TREASURY BRANCHES
To: SANJEL CORPORATION
Reel/Frame 043859/0277 →
Security Interest Oct 18, 2017
From: LOS ACQUISITION CO I LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 043891/0684 →
Patent Security Agreement Oct 18, 2017
From: LOS ACQUISITION CO I LLC
To: U.S. BANK NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 044345/0169 →
Merger Nov 28, 2018
From: LOS ACQUISITION CO I LLC (A DELAWARE LIMITED LIABILITY COMPANY)
To: LIBERTY OILFIELD SERVICES LLC
Reel/Frame 047606/0580 →
Assignment of Assignor's Interest Nov 19, 2020
From: SANJEL CORPORATION
To: LIBERTY OILFIELD SERVICES HOLDINGS LLC.
Reel/Frame 054478/0810 →