Patent Assignment
Reel/Frame 047846/0978
Assignment of Assignor's Interest
Recorded: 2018-12-21
Pages: 4
Assignor
ZHAN, SHENG
Executed: 2018-12-19
Assignees
CHINA PETROLEUM & CHEMICAL CORPORATION
22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT, BEIJING, 100728, CHINA
SINOPEC TECH HOUSTON, LLC.
3050 POST OAK BLVD, SUITE 777, HOUSTON, TEXAS, 77056
Covered Property
(1)
Downhole Drilling System
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 9, 2019
From: SINOPEC TECH HOUSTON, LLC.
To: CHINA PETROLEUM & CHEMICAL CORPORATION
Reel/Frame 048835/0464 →
Corrective Assignment to Correct the Clerical Error Previously Recorded at Reel: 048835 Frame: 0464. Assignor(S) Hereby Confirms the Assignment.
Jun 6, 2019
From: SINOPEC TECH HOUSTON, LLC.
To: CHINA PETROLEUM & CHEMICAL CORPORATION
Reel/Frame 049408/0265 →