Patent Assignment
Reel/Frame 021289/0928
Assignment of Assignor's Interest
Recorded: 2008-07-25
Pages: 6
Assignors
DE BENEDICTIS, FRANCES
Executed: 2008-06-18
WANG, XIAOLAN
Executed: 2008-06-18
QU, QI
Executed: 2008-06-18
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
Liquid Breaker for Acid Fracturing Fluids
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger and Change of Name
Jul 8, 2010
From: BJ SERVICES COMPANY
To: BJ SERVICES COMPANY LLC
Reel/Frame 024653/0070 →
Merger and Change of Name
Jul 8, 2010
From: BJ SERVICES COMPANY
To: BJ SERVICES COMPANY LLC
Reel/Frame 024655/0662 →
Assignment of Assignor's Interest
Jan 14, 2011
From: BJ SERVICES COMPANY LLC
To: BAKER HUGHES INCORPORATED
Reel/Frame 025645/0484 →
Entity Conversion
Oct 4, 2017
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 044127/0001 →
Change of Name
Feb 16, 2022
From: BAKER HUGHES, A GE COMPANY, LLC
To: BAKER HUGHES HOLDINGS LLC
Reel/Frame 059142/0921 →