Patent Assignment
Reel/Frame 054802/0869
Assignment of Assignor's Interest
Recorded: 2021-01-04
Pages: 8
Assignor
SCHLUMBERGER TECHNOLOGY CORPORATION
Executed: 2020-12-30
Assignee
LIBERTY OILFIELD SERVICES LLC
950 17TH ST., SUITE 2400, DENVER, COLORADO, 80202
Covered Properties
(29)
Apparatus for Mounting a Frac Blender on a Transport Vehicle
Oilfield Material Delivery Mechanism
Pump Assembly
Wellsite Surface Equipment Systems
Pump Body
System and Method for Producing High Pressure Foam Slurry
Pump Body
System and Method for Mitigating Dust Migration at a Wellsite
Apparatus and Method for Oilfield Material Delivery
Oilfield Surface Equipment Cooling System
Oilfield Material Mixing and Metering System with Auger
System and Method for Delivery of Oilfield Materials
Aggregate Delivery Unity
Wellsite Mixer Sensing Assembly and Method of Using Same
Mobile Erector System
System and Method Using Buffer Tank for Heat Exchange
Chassis and Support Structure Alignment
Adjustment Apparatus for Container Installation
Optimized Drive of Fracturing Fluids Blenders
Centralized Articulating Power System
Multi-Muffler Sound Attenuator Assembly
Patent:
9,624,799 →
Application:
15/046,891 →
Oilfield Surface Equipment Cooling System
Reducing Fluid Pressure Spikes in a Pumping System
Compact Articulation Mechanism
Mobile Erector System
Modular Configurable Wellsite Surface Equipment
System and Method for Delivery of Oilfield Materials
Compact Articulation Mechanism
Optimized Drive of Fracturing Fluids Blenders
Related Assignments
(21)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 6, 2004
From: PHAM, HAU; GUERRERO, GUILLERMO; LEUGEMORS, EDWARD; PESSIN, JEAN-LOUIS
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 014233/0215 →
Assignment of Assignor's Interest
Sep 11, 2007
From: LUHARUKA, RAJESH; SHAMPINE, ROD; HUBENSCHMIDT, JOE; GAMBIER, PHILIPPE
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 019809/0982 →
Assignment of Assignor's Interest
Oct 13, 2008
From: GAMBIER, PHILIPPE; COQUILLEAU, LAURENT; LEUGEMORS, EDWARD; PESSIN, JEAN-LOUIS
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 021674/0132 →
Assignment of Assignor's Interest
Oct 29, 2009
From: COQUILLEAU, LAURENT; LEUGEMORS, EDWARD; MARSHALL, WILLIAM; SHAMPINE, ROD
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 023444/0176 →
Assignment of Assignor's Interest
Sep 21, 2010
From: GODDARD, BRIAN; KEESE, ROGER
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 025020/0819 →
Assignment of Assignor's Interest
Dec 15, 2010
From: OCHOA, BRIAN; GAMBIER, PHILIPPE; FAUGERE, AUDE; SHEN, CHRISTOPHER
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 025504/0562 →
Assignment of Assignor's Interest
Oct 10, 2012
From: LUHARUKA, RAJESH; PETUKHOVA, GALINA GENNADIEVNA; HODGSON, KIM A.; LEUGEMORS, EDWARD
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029107/0383 →
Assignment of Assignor's Interest
Oct 17, 2012
From: MARSHALL, WILLIAM; SHAMPINE, ROD; LEUGEMORS, EDWARD; THOMEER, HUBERTUS V.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029147/0486 →
Assignment of Assignor's Interest
Jan 10, 2014
From: SHIUNG, JONATHAN CHONG WUN; CALLAWAY, LEWIS; LUHARUKA, RAJESH; HUEY, WILLIAM TROY
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 031935/0302 →
Corrective Assignment to Correct the Conveying Party Previously Recorded on Reel 031935 Frame 0302. Assignor(S) Hereby Confirms the Jonathan Chong Wun Shiung.
Mar 25, 2014
From: CHONG, JONATHAN WUN SHIUNG; CALLAWAY, LEWIS; LUHARUKA, RAJESH; HUEY, WILLIAM TROY
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 032518/0836 →
Assignment of Assignor's Interest
Jul 21, 2014
From: PHAM, HAU NGUYEN-PHUC
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 033354/0094 →
Assignment of Assignor's Interest
Sep 17, 2014
From: LUHARUKA, RAJESH; HODGSON, KIM; SHAMPINE, ROD; RAMESH, AVINASH
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 033761/0540 →
Assignment of Assignor's Interest
Nov 13, 2014
From: PHAM, HAU NGUYEN-PHUC
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 034160/0552 →
Assignment of Assignor's Interest
Jan 14, 2015
From: PHAM, HAU NGUYEN-PHUC
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 034712/0767 →
Assignment of Assignor's Interest
Jan 15, 2015
From: PHAM, HAU NGUYEN-PHUC; SHEN, CHRISTOPHER TODD
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 034723/0377 →
Assignment of Assignor's Interest
Mar 9, 2015
From: CHONG, JONATHAN WUN SHIUNG; SHAMPINE, ROD WILLIAM; SRIDHAR, GARUD BINDIGANAVALE; DECKER, CHRISTOPHER JOSEPH
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 035110/0965 →
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 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 →