Patent Assignment
Reel/Frame 052681/0644
Assignment of Assignor's Interest
Recorded: 2020-05-18
Pages: 5
Assignor
JIANGHAN MACHINERY RESEARCH INSTITUTE LIMITED COMPANY OF CNPC
Executed: 2020-04-21
Assignees
JIANGHAN MACHINERY RESEARCH INSTITUTE LIMITED COMPANY OF CNPC
NO. 12, CHIHU ROAD SHASHI DISTRICT, JINGZHOU, HUBEI, 434000, CHINA
CHINA NATIONAL PETROLEUM CORPORATION
9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT, BEIJING, CHINA
CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
BUILDING 1, YARD 5, HUANGHE STREET, CHANGPING DISTRICT, BEIJING, CHINA
Covered Properties
(2)
Coiled Tubing Reel and Coiled Tubing Vehicle
Patent:
10,309,171 →
Application:
16/140,024 →
Coiled Tubing Unit
Patent:
10,329,858 →
Application:
16/140,050 →
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 20, 2018
From: HE, HUIQUN; YANG, GAO; LIU, SHOUJUN; LI, XUEHUI
To: JIANGHAN MACHINERY RESEARCH INSTITUTE LIMITED COMPANY OF CNPC
Reel/Frame 047832/0233 →
Assignment of Assignor's Interest
Dec 20, 2018
From: HE, HUIQUN; LIU, SHOUJUN; YANG, GAO; HAO, JUN
To: JIANGHAN MACHINERY RESEARCH INSTITUTE LIMITED COMPANY OF CNPC
Reel/Frame 047834/0402 →