Assignment of Assignor's Interest

Recorded: 2011-05-26 Pages: 3

Assignor

XU, RICHARD YINGQING

Executed: 2011-03-21

Assignee

BAKER HUGHES INCORPORATED

2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019-2118

Covered Property (1)

Valving System, Method of Adjusting a Valve and Method of Fracing a Wellbore

Patent: 8,579,036 →

Application: 13/047,388 →

Publication: US 2012/0234545

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.