Patent Assignment
Reel/Frame 018913/0272
Re-Record to Correct the Name and Address of the Assignee, Previously Recorded at Reel 015842 Frame 0286.
Recorded: 2007-02-16
Pages: 5
Assignee
BJ SERVICES COMPANY
5500 NORTHWEST CENTRAL DRIVE, HOUSTON, TEXAS, 77092
Covered Property
(1)
Method and Composition for Treating a Subterranean Formation with Splittable Foams
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 7, 2005
From: GUPTA, D.V. SATYANARAYANA; HLIDEK, BARRY T.
To: BJ SERVICE COMPANY
Reel/Frame 016342/0146 →
Assignment of Assignor's Interest
Mar 4, 2005
From: GUPTA, D.V. SATYANARAYANA; HLIDEK, BARRY T.
To: BJ SERVICE COMPANY
Reel/Frame 015842/0286 →
Record to Correct the Receiving Party's Name, Previously Recorded at Reel 016342 Frame 0146.
Feb 16, 2007
From: GUPTA, D.V. SALYANARAYANA; HILDEK, BARRY T.
To: BJ SERVICES COMPANY
Reel/Frame 018913/0771 →
Re-Record to Correct the Last Name of Inventor Previously Recorded at R/F 018913/0771
May 7, 2007
From: GUPTA, D.V. SATYANARAYANA; HLIDEK, BARRY T.
To: BJ SERVICES COMPANY
Reel/Frame 019261/0072 →
Change of Name
Mar 18, 2022
From: BJ SERVICES COMPANY
To: WESTERN ATLAS HOLDINGS LLC
Reel/Frame 059303/0854 →
Change of Name
Jul 13, 2022
From: WESTERN ATLAS HOLDINGS LLC
To: BAKER HUGHES HOLDINGS LLC
Reel/Frame 060497/0991 →