Patent Assignment
Reel/Frame 020429/0007
Assignment of Assignor's Interest
Recorded: 2008-01-29
Pages: 7
Assignors
BRANNON, HAROLD DEAN
Executed: 2005-01-11
RICKARDS, ALLAN RAY
Executed: 2005-01-11
STEPHENSON, CHRISTOPHER JOHN
Executed: 2005-01-11
MAHARIDGE, RUSSELL L.
Executed: 2005-01-11
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BOULEVARD, HOUSTON, TEXAS, 77041
Covered Property
(1)
Method of Stimulating Oil and Gas Wells Using Deformable Proppants
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jul 21, 2010
From: BJ SERVICES COMPANY
To: BSA ACQUISITION LLC
Reel/Frame 024719/0468 →
Change of Name
Jul 21, 2010
From: BSA ACQUISITION LLC
To: BJ SERVICES COMPANY LLC
Reel/Frame 024719/0546 →
Assignment of Assignor's Interest
Jun 30, 2011
From: BJ SERVICES COMPANY LLC
To: BAKER HUGHES INCORPORATED
Reel/Frame 026532/0234 →
Change of Name
Feb 16, 2022
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 059126/0517 →
Change of Name
Mar 8, 2022
From: BAKER HUGHES, A GE COMPANY, LLC
To: BAKER HUGHES HOLDINGS LLC
Reel/Frame 059339/0130 →