Patent Assignment
Reel/Frame 020924/0482
Assignment of Assignor's Interest
Recorded: 2008-05-09
Pages: 6
Assignors
MISSELBROOK, JOHN GORDON
Executed: 2008-04-23
MEYER, RUSSELL
Executed: 2008-04-01
SCHULTZ, DARCY A.
Executed: 2008-04-01
HAYES, TREVOR
Executed: 2008-04-01
STANG, QUENTIN SHANE
Executed: 2008-04-09
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
Method of Isolating Open Perforations in Horizontal Wellbores Using an Ultra Lightweight Proppant
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Nov 30, 2010
From: BJ SERVICES COMPANY
To: BSA ACQUISITION LLC
Reel/Frame 025402/0253 →
Change of Name
Dec 29, 2010
From: BSA ACQUISITION LLC
To: BJ SERVICES COMPANY LLC
Reel/Frame 025571/0765 →
Assignment of Assignor's Interest
Jun 29, 2011
From: BJ SERVICES COMPANY LLC
To: BAKER HUGHES INCORPORATED
Reel/Frame 026523/0383 →
Change of Name
Oct 4, 2017
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 044118/0908 →
Change of Name
Feb 16, 2022
From: BAKER HUGHES, A GE COMPANY, LLC
To: BAKER HUGHES HOLDINGS LLC
Reel/Frame 059142/0921 →