Patent Assignment
Reel/Frame 023627/0879
Assignment of Assignor's Interest
Recorded: 2009-12-10
Pages: 9
Assignor
PETRO-CANADA
Executed: 2009-08-01
Assignee
SUNCOR ENERGY INC.
P.O. BOX 38, 112-4 AVENUE S.W., CALGARY, ALBERTA, T2P 2V5, CANADA
Covered Properties
(5)
Well Test Imaging
Patent:
5,787,050 →
Application:
08/689,791 →
Drilling Fluid
Patent:
6,410,488 →
Application:
09/523,519 →
Dielectric Fluid
Gas Lift Apparatus for a Well
Discharge Pressure Actuated Pump
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 11, 2006
From: DUNCAN, GRANT
To: PETRO-CANADA
Reel/Frame 018229/0599 →
Assignment of Assignor's Interest
Nov 30, 2016
From: SUNCOR ENERGY INC.
To: PETRO-CANADA LUBRICANTS INC.
Reel/Frame 040469/0418 →
Corrective Assignment to Correct the Address of the Assignee Previously Recorded on Reel 040469 Frame 0418. Assignor(S) Hereby Confirms the Assignment.
Mar 23, 2017
From: SUNCOR ENERGY INC.
To: PETRO-CANADA LUBRICANTS INC.
Reel/Frame 042077/0957 →