Patent Assignment
Reel/Frame 019671/0556
Assignment of Assignor's Interest
Recorded: 2007-08-09
Pages: 12
Assignors
SHAMPINE, ROD
Executed: 2007-06-07
DWYER, PAUL
Executed: 2007-06-12
STOVER, RONNIE
Executed: 2007-06-12
LLOYD, MIKE
Executed: 2007-06-08
PESSIN, JEAN-LOUIS
Executed: 2007-06-25
LEUGEMORS, EDWARD
Executed: 2007-06-12
WELCH, LARRY D.
Executed: 2007-07-12
HUBENSCHMIDT, JOE
Executed: 2007-07-11
GAMBIER, PHILIPPE
Executed: 2007-06-18
HUEY, WILLIAM TROY
Executed: 2007-06-07
ALLAN, TOM
Executed: 2007-06-10
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD 1, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
A Method of Pumping an Oilfield Fluid and Split Stream Oilfield Pumping Systems
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 16, 2024
From: SHAMPINE, ROD; DWYER, PAUL; STOVER, RONNIE; LLOYD, MIKE
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 068919/0113 →
Assignment of Assignor's Interest
Oct 16, 2024
From: SCHLUMBERGER TECHNOLOGY CORPORATION
To: LIBERTY OILFIELD SERVICES LLC
Reel/Frame 068919/0202 →
Assignment of Assignor's Interest
Oct 17, 2024
From: SCHLUMBERGER TECHNOLOGY CORPORATION
To: LIBERTY OILFIELD SERVICES LLC
Reel/Frame 068928/0611 →
Change of Name
Nov 4, 2024
From: LIBERTY OILFIELD SERVICES LLC
To: LIBERTY ENERGY SERVICES LLC
Reel/Frame 069293/0102 →