Patent Assignment
Reel/Frame 045054/0463
Nunc Pro Tunc Assignment
Recorded: 2018-02-27
Pages: 9
Assignor
SHELL CANADA ENERGY
Executed: 2017-11-29
Assignee
CANADIAN NATURAL UPGRADING LIMITED
2200, 855 2 STREET SW, CALGARY, T2P 4J8, CANADA
Covered Properties
(28)
Process for Extracting Bitumen
Method for Obtaining Bitumen from Tar Sands
Processing Asphaltene-Containing Tailings
Separation of Tailings That Include Asphaltenes
System and Method of Separating Bitumen from Tar Sands
Processing Asphaltene-Containing Tailings
Processing Asphaltene-Containing Tailings
Dry,Stackable Tailings and Methods for Producing the Same
Methods for Obtaining Bitumen from Bituminous Materials
Methods for Obtaining Bitumen from Bituminous Materials
Methods for Obtaining Bitumen from Bituminous Materials
Methods for Extracting Bitumen from Bituminous Material
Process for Extracting Bitumen and Drying the Tailings
Method for Extracting Bitumen from an Oil Sand Feed Stream
Method for Extracting Bitumen from an Oil Sand Feed Stream
Methods of Transporting Various Bitumen Extraction Products and Compositions Thereof
Methods for Obtaining Bitumen from Bituminous Materials
Methods for Extracting Bitumen From Bituminous Material
Application:
13/559,124 →
Publication:
US 2013/0026078
Dry, Stackable Tailings and Methods for Producing the Same
Method for Removing Oxygen from an Oil Sand Stream
Method for Extracting Bitumen from an Oil Sand Stream
Method for Extracting Bitumen from an Oil Sand Stream
Apparatus and Method for Extraction of Bitumen from Oil Sands
Method for Extracting Bitumen from an Oil Sand Stream
Method for Extracting Bitumen from an Oil Sand Stream
Method of Handling a Solvent-Containing Solids Stream in a Non-Aqueous Oil Sand Extraction Process
Method of Filtering a Solvent-Containing Slurry Stream in a Non-Aqueous Oil Sand Extraction Process
Application:
14/535,131 →
Publication:
US 2015/0129464
Method for Extracing Bitumen from an Oil Sand Feed Stream
Application:
14/596,006 →
Publication:
US 2015/0197694
Related Assignments
(25)
Other recorded transfers of the patents 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
Jun 5, 2006
From: DUYVESTEYN, WILLEM P.C.; KIFT, JULIAN; MORLEY, RAYMOND L.
To: WESTERN OIL SANDS USA, INC.
Reel/Frame 017736/0950 →
Assignment of Assignor's Interest
Jul 12, 2006
From: DUYVESTEYN, WILLEM P.C.; MORLEY, RAYMOND L.; HANSON, JAMES S.
To: WESTERN OIL SANDS USA, INC.
Reel/Frame 017923/0150 →
Assignment of Assignor's Interest
Mar 6, 2008
From: DUYVESTEYN, WILLEM P.C.
To: MARATHON OIL COMPANY
Reel/Frame 020611/0390 →
Assignment of Assignor's Interest
Mar 21, 2008
From: DUYVESTEYN, WILLEM P.C.
To: MARATHON OIL COMPANY
Reel/Frame 020686/0181 →
Assignment of Assignor's Interest
Dec 23, 2008
From: MARATHON OIL COMPANY
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 022022/0771 →
Assignment of Assignor's Interest
Dec 23, 2008
From: KIFT, JULIAN
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 022023/0137 →
Assignment of Assignor's Interest
Dec 23, 2008
From: WESTERN OIL SANDS USA, INC.
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 022023/0013 →
Assignment of Assignor's Interest
Dec 23, 2008
From: WESTERN OIL SANDS USA, INC.
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 022022/0971 →
Assignment of Assignor's Interest
Dec 23, 2008
From: MARATHON OIL COMPANY
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 022023/0180 →
Assignment of Assignor's Interest
Aug 21, 2009
From: DUYVESTEYN, WILLEM P.C.; KIFT, JULIAN
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 023128/0933 →
Assignment of Assignor's Interest
Sep 25, 2009
From: DUYVESTEYN, WILLEM P.C.
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 023283/0350 →
Assignment of Assignor's Interest
Oct 22, 2009
From: DUYVESTEYN, WILLEM P.C.; KIFT, JULIAN
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 023407/0668 →
Assignment of Assignor's Interest
Apr 6, 2010
From: DUYVESTEYN, WILLEM P.C.; KIFT, JULIAN; HOFFMAN, CHERISH M.; THOMPSON, WHIP C.
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 024194/0016 →
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
Sep 16, 2010
From: FRYER, SCOTT J.
To: BAKER HUGHES INCORPORATED
Reel/Frame 024990/0692 →
Assignment of Assignor's Interest
Sep 16, 2010
From: BAKER HUGHES INCORPORATED
To: SHELL CANADA ENERGY; MARATHON OIL SANDS L.P.; CHEVRON CANADA LIMITED
Reel/Frame 024990/0676 →
Assignment of Assignor's Interest
Sep 16, 2010
From: FRYER, SCOTT J.
To: BAKER HUGHES INCORPORATED
Reel/Frame 024990/0669 →
Assignment of Assignor's Interest
Feb 25, 2011
From: DUYVESTEYN, WILLEM P.C.; MAHENDRA, JOSHI; KIFT, JULIAN; ZELNIK, DOMINIC J.
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 025866/0530 →
Assignment of Assignor's Interest
Dec 6, 2011
From: KIFT, JULIAN; HOFFMAN, CHERISH M.; THOMPSON, WHIP C.; JOSHI, MAHENDRA
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 027340/0706 →
Assignment of Assignor's Interest
Apr 30, 2012
From: MARATHON OIL CANADA CORPORATION
To: SHELL CANADA ENERGY
Reel/Frame 028128/0322 →
Assignment of Assignor's Interest
May 15, 2012
From: PLOEMEN, INGMAR HUBERTUS JOSEPHINA; SCHOONEBEEK, RONALD JAN; IN'T VEEN, BERNARDUS CORNELIS MARIA
To: SHELL OIL COMPANY
Reel/Frame 028211/0165 →
Assignment of Assignor's Interest
May 15, 2012
From: PLOEMEN, INGMAR HUBERTUS JOSEPHINA; SCHOONEBEEK, RONALD JAN; IN'T VEEN, BERNARDUS CORNELIS MARIA
To: SHELL OIL COMPANY
Reel/Frame 028211/0440 →
Assignment of Assignor's Interest
Jul 17, 2012
From: KIFT, JULIAN; JOSHI, MAHENDRA
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 028567/0300 →
Assignment of Assignor's Interest
Sep 25, 2012
From: KIFT, JULIAN; HOFFMAN, CHERISH M.; THOMPSON, WHIP C.
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 029019/0233 →