Patent Assignment
Reel/Frame 054478/0810
Assignment of Assignor's Interest
Recorded: 2020-11-19
Pages: 62
Assignor
SANJEL CORPORATION
Executed: 2016-06-13
Assignee
LIBERTY OILFIELD SERVICES HOLDINGS LLC.
950 - 17TH STREET, SUITE 2000, DENVER, COLORADO, 80202
Covered Property
(1)
Apparatus and Method for Creating Pressure Pulses in a Wellbore
Related Assignments
(18)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Security Interest
Sep 22, 2014
From: SANJEL CORPORATION
To: ALBERTA TREASURY BRANCHES
Reel/Frame 033788/0599 →
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 →
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 at Reel/Frame 043891/0684
Jun 26, 2023
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
To: LIBERTY OILFIELD SERVICES LLC
Reel/Frame 064106/0065 →
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 →
Change of Name
Jan 13, 2025
From: LIBERTY OILFIELD SERVICES LLC
To: LIBERTY ENERGY SERVICES LLC
Reel/Frame 069881/0664 →