IP Library › Assignment 028410/0917
Patent Assignment
Reel/Frame 028410/0917

Assignment of Assignor's Interest

Recorded: 2012-06-20 Pages: 8
Assignors
PEI, BAILIN
Executed: 2012-05-21
XUE, YONG
Executed: 2012-05-21
ZHANG, SONGMEI
Executed: 2012-05-21
Assignee
ANTON OILFIELD SERVICES (GROUP) LTD.
NO. 8, PINGCUI WEST ROAD, DONGHUQU, CHAOYANG DISTRICT, BEIJING, 100102, CHINA
Covered Property (1)
Method and System for Segmental Flow Control in Oil-Gas Well
Patent: 9,664,014 →
Application: 13/514,743 →
Publication: US 2012/0241168
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 17, 2013
From: ANTON OILFIELD SERVICES (GROUP) LTD.
To: ANTON BAILIN OILFIELD TECHNOLOGIES (BEIJING) CO., LTD.
Reel/Frame 030435/0349 →