Patent Assignment
Reel/Frame 016048/0660
Assignment of Assignor's Interest
Recorded: 2004-12-06
Pages: 5
Assignors
QU, QI
Executed: 2004-11-17
STEVENS, RICHARD F.
Executed: 2004-11-17
ALLEMAN, DAVID
Executed: 2004-11-09
Assignee
BJ SERVICES COMPANY
5500 NORTWEST CENTRAL DRIVE, HOUSTON, TEXAS, 77092
Covered Property
(1)
Method for Displacing Oil Base Drilling Muds and/or Residues from Oil Base Drilling Mud Using Water-in-Oil Emulsion
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
May 2, 2011
From: BJ SERVICES COMPANY
To: BSA ACQUISITION LLC
Reel/Frame 026242/0933 →
Change of Name
May 23, 2011
From: BSA ACQUISITION LLC
To: BJ SERVICES COMPANY LLC
Reel/Frame 026414/0550 →
Assignment of Assignor's Interest
Jun 17, 2011
From: BJ SERVICES COMPANY LLC
To: BAKER HUGHES INCORPORATED
Reel/Frame 026453/0716 →
Change of Name
Feb 16, 2018
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 045349/0522 →
Change of Name
Feb 16, 2022
From: BAKER HUGHES, A GE COMPANY, LLC
To: BAKER HUGHES HOLDINGS LLC
Reel/Frame 059141/0762 →