Patent Assignment
Reel/Frame 049398/0179
Assignment of Assignor's Interest
Recorded: 2019-06-06
Pages: 4
Assignor
Assignee
CHINA PETROLEUM & CHEMICAL CORPORATION
22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT, BEIJING, 100728, CHINA
Covered Properties
(4)
System for Geosteering and Formation Evaluation Utilizing Near-Bit Sensors
Near-Bit Ultradeep Measurement System for Geosteering and Formation Evaluation
System for Geosteering and Formation Evaluation Utilizing Near-Bit Sensors
Near-Bit Ultradeep Measurement System for Geosteering and Formation Evaluation
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 19, 2016
From: YANG, JINZHOU; ZHAN, SHENG; HAN, LAIJU; ZHAO, JINHAI
To: CHINA PETROLEUM & CHEMICAL CORPORATION; SINOPEC TECH HOUSTON, LLC.; DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SHENGLI PETROLEUM ENGINEERING CORPORATION LIMITED, SINOPEC
Reel/Frame 037776/0377 →
Assignment of Assignor's Interest
Feb 29, 2016
From: YANG, JINZHOU; ZHAN, SHENG; YANG, ZHEN; ZHAO, JINHAI
To: CHINA PETROLEUM & CHEMICAL CORPORATION; SINOPEC TECH HOUSTON, LLC.; DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SHENGLI PETROLEUM ENGINEERING CORPORATION LIMITED, SINOPEC
Reel/Frame 037853/0453 →
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 →