Patent Assignment
Reel/Frame 022526/0435
Assignment of Assignor's Interest
Recorded: 2009-04-09
Pages: 6
Assignors
PISKLAK, THOMAS J, MR
Executed: 2009-04-08
QU, QI, MR
Executed: 2009-04-08
MAHARIDGE, RUSSELL L, MR
Executed: 2009-04-08
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
Electrolocation Apparatus and Methods for Mapping from a Subterranean Well
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Oct 5, 2010
From: BJ SERVICES COMPANY
To: BSA ACQUISITION LLC
Reel/Frame 025092/0248 →
Change of Name
Oct 5, 2010
From: BSA ACQUISITION LLC
To: BJ SERVICES COMPANY LLC
Reel/Frame 025092/0450 →
Change of Name
Jul 13, 2011
From: BSA ACQUISITION LLC
To: BJ SERVICES COMPANY LLC
Reel/Frame 026587/0543 →
Merger
Jul 13, 2011
From: BJ SERVICES COMPANY
To: BSA ACQUISITION LLC
Reel/Frame 026586/0854 →
Assignment of Assignor's Interest
Jul 13, 2011
From: BJ SERVICES COMPANY LLC
To: BAKER HUGHES INCORPORATED
Reel/Frame 026586/0707 →
Change of Name
Nov 30, 2022
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 062019/0504 →
Change of Name
Jan 3, 2023
From: BAKER HUGHES, A GE COMPANY, LLC
To: BAKER HUGHES HOLDINGS LLC
Reel/Frame 062266/0006 →