IP Library › Assignment 020871/0433
Patent Assignment
Reel/Frame 020871/0433

Assignment of Assignor's Interest

Recorded: 2008-04-29 Pages: 4
Assignors
HUANG, TIANPING
Executed: 2008-04-28
CREWS, JAMES B.
Executed: 2008-04-28
Assignee
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019-2118
Covered Property (1)
Wastewater Purification with Nanoparticle-Treated Bed
Patent: 8,226,830 →
Application: 12/111,361 →
Publication: US 2009/0266766
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →