IP Library › Assignment 033788/0599
Patent Assignment
Reel/Frame 033788/0599

Security Interest

Recorded: 2014-09-22 Pages: 36
Assignor
SANJEL CORPORATION
Executed: 2014-06-18
Assignee
ALBERTA TREASURY BRANCHES
600, 444- 7TH AVENUE S.W., CALGARY, ALBERTA, T2P 0X8, CANADA
Covered Properties (5)
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
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: GOODMAN, PAUL
To: SANJEL CORPORATION
Reel/Frame 022106/0269 →
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: 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 Jan 14, 2009
From: JAMIESON, MERRILL
To: SANJEL CORPORATION
Reel/Frame 022106/0339 →
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 →
Patent Assignment Agreement Jan 19, 2017
From: SANJEL CANADA LTD.
To: LOS ACQUISITION CO I LLC
Reel/Frame 041420/0922 →
Security Interest Jun 16, 2017
From: LIBERTY OILFIELD SERVICES LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 042738/0675 →
Release of Security Interest Sep 19, 2017
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: LIBERTY OILFIELD SERVICES LLC; LOS ACQUISITION CO I LLC
Reel/Frame 043631/0021 →
Release of Security Interest Oct 13, 2017
From: ALBERTA TREASURY BRANCHES
To: SANJEL CORPORATION
Reel/Frame 043859/0277 →
Patent Security Agreement Oct 18, 2017
From: LOS ACQUISITION CO I LLC
To: U.S. BANK NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 044345/0169 →
Security Interest Oct 18, 2017
From: LOS ACQUISITION CO I LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 043891/0684 →
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 →
Corrective Assignment to Correct the Previously Entered Name of Receiver Entity-to Remove Excess Information Previously Recorded at Reel: 047606 Frame: 0580. Assignor(S) Hereby Confirms the Assignment. Feb 5, 2021
From: LOS ACQUISITION CO I LLC
To: LIBERTY OILFIELD SERVICES LLC
Reel/Frame 055225/0296 →
Security Interest Feb 10, 2021
From: LIBERTY OILFIELD SERVICES LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 055217/0599 →
Patent Security Agreement Jun 15, 2021
From: LIBERTY OILFIELD SERVICES LLC
To: U.S. BANK NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 056596/0168 →
Release of Patent Security Agreement Jan 26, 2023
From: U.S. BANK NATIONAL ASSOCIATION, AS AGENT
To: LIBERTY OILFIELD SERVICES LLC
Reel/Frame 062516/0566 →
Release of Patent Security Agreement Jan 26, 2023
From: U.S. BANK NATIONAL ASSOCIATION, AS AGENT
To: LOS ACQUISITION CO I LLC
Reel/Frame 062515/0943 →
Corrective Assignment to Correct the Receiving Party's Name from Los Acquisition Co I Llc to Liberty Oilfield Services Llc Previously Recorded on Reel 062515 Frame 0943. Assignor(S) Hereby Confirms the Release of Patent Security Agreement. Feb 27, 2023
From: U.S. BANK NATIONAL ASSOCIATION, AS AGENT
To: LIBERTY OILFIELD SERVICES LLC
Reel/Frame 062881/0058 →
Release of Security Interest Jun 26, 2023
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
To: LIBERTY OILFIELD SERVICES LLC
Reel/Frame 064058/0405 →