Patent Assignment
Reel/Frame 024990/0676
Assignment of Assignor's Interest
Recorded: 2010-09-16
Pages: 4
Assignor
BAKER HUGHES INCORPORATED
Executed: 2008-04-17
Assignees
SHELL CANADA ENERGY
400 - 4TH AVENUE S.W., P.O. BOX 100, STATION M, CALGARY, T2P 2H5, CANADA
MARATHON OIL SANDS L.P.
2400, 400 - 2ND AVENUE S.W., CALGARY, T2P 5E9, CANADA
CHEVRON CANADA LIMITED
1500 - 1050 WEST PENDER STREET, VANCOUVER, V6E 3T4, CANADA
Covered Property
(1)
Process for Extracting Bitumen
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 21, 2005
From: HART, PAUL R.; MAHARAJH, EDWARD M.
To: BAKER HUGHES INCORPORATED
Reel/Frame 015617/0021 →
Assignment of Assignor's Interest
Sep 16, 2010
From: FRYER, SCOTT J.
To: BAKER HUGHES INCORPORATED
Reel/Frame 024990/0669 →
Nunc Pro Tunc Assignment
Sep 16, 2010
From: FRYER, SCOTT J.
To: BAKER HUGHES INCORPORATED
Reel/Frame 024990/0692 →
Confirmatory Assignment
Sep 16, 2010
From: BAKER HUGHES INCORPORATED
To: SHELL CANADA ENERGY; MARATHON OIL SANDS L.P.; CHEVRON CANADA LIMITED
Reel/Frame 024990/0700 →
Nunc Pro Tunc Assignment
Feb 27, 2018
From: SHELL CANADA ENERGY
To: CANADIAN NATURAL UPGRADING LIMITED
Reel/Frame 045054/0463 →