Patent Assignment
Reel/Frame 014465/0637
Assignment of Assignor's Interest
Recorded: 2003-09-02
Pages: 6
Assignors
STEPHENSON, CHRISTOPHER JOHN
Executed: 2003-08-28
RICKARDS, ALLAN RAY
Executed: 2003-08-28
BRANNON, HAROLD DEAN
Executed: 2003-08-28
GUPTA, D.V. SATYANARAYANA
Executed: 2003-08-28
Assignee
BJ SERVICES COMPANY
5500 NORTHWEST CENTRAL DRIVE, HOUSTON, TEXAS, 77092
Covered Property
(1)
Method of Treating Subterranean Formations with Porous Particulate Materials
Related Assignments
(6)
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 →
Merger
May 3, 2011
From: BJ SERVICES COMPANY
To: BSA ACQUISITION LLC
Reel/Frame 026217/0994 →
Change of Name
May 3, 2011
From: BSA ACQUISITION LLC
To: BJ SERVICES COMPANY LLC
Reel/Frame 026218/0218 →
Assignment of Assignor's Interest
May 3, 2011
From: BJ SERVICES COMPANY LLC
To: BAKER HUGHES INCORPORATED
Reel/Frame 026218/0585 →
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 →