IP Library › Assignment 040948/0531
Patent Assignment
Reel/Frame 040948/0531

Assignment of Assignor's Interest

Recorded: 2017-01-11 Pages: 3
Assignors
HUANG, TIANPING
Executed: 2008-04-28
CREWS, JAMES B.
Executed: 2008-04-28
Assignee
BAKER HUGHES INCORPORATED
17021 ALDINE WESTFIELD, HOUSTON, TEXAS, 77073
Covered Property (1)
Wastewater Purification with Nanoparticle-Treated Bed
Application: 15/394,336 →
Publication: US 2017/0106347
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 17, 2019
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 050406/0954 →
Change of Name Feb 16, 2022
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 059126/0123 →
Change of Name Mar 8, 2022
From: BAKER HUGHES, A GE COMPANY, LLC
To: BAKER HUGHES HOLDINGS LLC
Reel/Frame 059338/0944 →