Patent Assignment
Reel/Frame 048772/0827
Assignment of Assignor's Interest
Recorded: 2019-04-02
Pages: 4
Assignors
ZENG, YIJIN
Executed: 2019-03-05
HU, QUNAI
Executed: 2019-03-05
ZHAO, CHENXI
Executed: 2019-03-05
CUI, XIAOJIE
Executed: 2019-03-05
ZHAO, JIANJUN
Executed: 2019-03-05
MA, LANRONG
Executed: 2019-03-05
CHENG, GUANGMING
Executed: 2019-03-05
SUN, LIANZHONG
Executed: 2019-03-05
HOU, NAIHE
Executed: 2019-03-05
Assignees
CHINA PETROLEUM & CHEMICAL CORPORATION
NO. 22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT, BEIJING, 100728, CHINA
SINOPEC RESEARCH INSTITUTE OF PETROLEUM ENGINEERING
10TH FLOOR, NORTH STAR TIMES TOWER, NO. 8 BEICHEN DONG ROAD, CHAOYANG DISTRICT, BEIJING, 100101, CHINA
Covered Property
(1)
Downhole Auxiliary Drilling Apparatus