Patent Assignment
Reel/Frame 022121/0635
Assignment of Assignor's Interest
Recorded: 2009-01-16
Pages: 5
Assignors
MISSELBROOK, JOHN GORDON
Executed: 2008-12-19
CRABTREE, ALEXANDER RAPHAEL
Executed: 2008-11-06
PORTMAN, LANCE N.
Executed: 2008-12-19
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
Acid Tunneling Bottom Hole Assembly and Method Utilizing Reversible Knuckle Joints
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Nov 30, 2010
From: BJ SERVICES COMPANY
To: BSA ACQUISITION LLC
Reel/Frame 025402/0253 →
Change of Name
Dec 29, 2010
From: BSA ACQUISITION LLC
To: BJ SERVICES COMPANY LLC
Reel/Frame 025571/0765 →
Assignment of Assignor's Interest
Jun 28, 2011
From: BJ SERVICES COMPANY LLC
To: BAKER HUGHES INCORPORATED
Reel/Frame 026513/0107 →
Change of Name
Oct 6, 2017
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 044144/0920 →
Change of Name
Feb 16, 2022
From: BAKER HUGHES, A GE COMPANY, LLC
To: BAKER HUGHES HOLDINGS LLC
Reel/Frame 059142/0921 →