Patent Assignment
Reel/Frame 026486/0289
Assignment of Assignor's Interest
Recorded: 2011-06-22
Pages: 4
Assignee
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019
Covered Property
(1)
Use of Methylhydroxyethyl Cellulose as Cement Additive
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Entity Conversion
Oct 4, 2017
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 044127/0001 →
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 059142/0921 →