Patent Assignment
Reel/Frame 016910/0096
Assignment of Assignor's Interest
Recorded: 2005-08-19
Pages: 4
Assignee
BJ SERVICES COMPANY
5500 NW CENTRAL DRIVE, HOUSTON, TEXAS, 77092
Covered Property
(1)
Method of Using Bismuth Salt or Derivative During Cementing
Related Assignments
(7)
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 →
Assignment of Assignor's Interest
Dec 29, 2016
From: BAKER HUGHES INCORPORATED; BAKER HUGHES OILFIELD OPERATIONS, INC.
To: BJ SERVICES, LLC
Reel/Frame 040804/0552 →
Corrective Assignment to Correct the Address of Assignee Bj Services, Llc Previously Recorded on Reel 040804 Frame 0552. Assignor(S) Hereby Confirms the Patent Assignment Agreement..
Jan 18, 2017
From: BAKER HUGHES INCORPORATED; BAKER HUGHES OILFIELD OPERATIONS, INC.
To: BJ SERVICES, LLC
Reel/Frame 041391/0934 →
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 →