IP Library › Assignment 031421/0356
Patent Assignment
Reel/Frame 031421/0356

Certificate of Continuation

Recorded: 2013-10-16 Pages: 2
Assignor
NEXEN INC.
Executed: 2013-06-18
Assignee
NEXEN ENERGY INC.
801 - 7 AVE. SW, CALGARY, T2P 3P7, CANADA
Covered Properties (2)
Methods of Improving Heavy Oil Production
Patent: 7,527,096 →
Application: 11/049,294 →
Publication: US 2006/0162922
Methods of Improving Heavy Oil Production
Patent: 7,717,175 →
Application: 11/735,261 →
Publication: US 2007/0181299
Related Assignments (6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 10, 2006
From: CHUNG, BERNARD COMPTON; BOSE, MINTU; MORTON, STEWART ALLEN; ELKOW, KENNETH JAMES
To: NEXEN INC.
Reel/Frame 017772/0446 →
Assignment of Assignor's Interest Apr 13, 2007
From: CHUNG, BERNARD COMPTON, MR.; BOSE, MINTU, MR.; MORTON, STEWART ALLAN, MR.; ELKOW, KENNETH JAMES, MR.
To: NEXEN INC.
Reel/Frame 019159/0675 →
Change of Name Oct 16, 2013
From: NEXEN ENERGY INC.
To: NEXEN ENERGY ULC
Reel/Frame 031419/0899 →
Change of Name Oct 16, 2013
From: CNOOC CANADA HOLDING ULC
To: NEXEN ENERGY ULC
Reel/Frame 031419/0936 →
Certificate of Amalgamation Oct 16, 2013
From: CNOOC CANADA HOLDING ULC; NEXEN ENERGY ULC
To: CNOOC CANADA HOLDING ULC
Reel/Frame 031421/0358 →
Change of Name Feb 19, 2019
From: NEXEN ENERGY ULC
To: CNOOC PETROLEUM NORTH AMERICA ULC
Reel/Frame 048366/0576 →