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Patents Grants
last 30 patents
Information
Patent Grant
Solvent process for bitumen separation from oil sands froth
Patent number
5,876,592
Issue date
Mar 2, 1999
Alberta Energy Co., Ltd.
Robert N. Tipman
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Conveyor belt system with shock-absorbing belt side travel control...
Patent number
5,494,150
Issue date
Feb 27, 1996
Alberta Energy Company Ltd.
Brent J. McDonell
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process for reducing sludge accumulation in the hot water extractio...
Patent number
5,492,628
Issue date
Feb 20, 1996
Alberta Energy Company, Ltd.
Robert Schutte
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Oil sand extraction process with in-line middlings aeration and rec...
Patent number
5,460,270
Issue date
Oct 24, 1995
Alberta Energy Company Ltd.
Edward W. Chan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
In situ primary froth quality measurements using microwave monitor
Patent number
5,376,276
Issue date
Dec 27, 1994
Alberta Energy Company, Ltd.
Keng H. Chung
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Froth washer
Patent number
5,290,433
Issue date
Mar 1, 1994
Alberta Energy Company Ltd.
Edward Wing-Kee Chan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Pipeline conditioning process for mined oil-sand
Patent number
5,264,118
Issue date
Nov 23, 1993
Alberta Energy Company, Ltd.
George J. Cymerman
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Reducing the water and solids contents of bitumen froth moving thro...
Patent number
5,118,408
Issue date
Jun 2, 1992
Alberta Energy Company, Limited
Wayne B. Jansen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Mixer circuit for oil sand
Patent number
5,039,227
Issue date
Aug 13, 1991
Alberta Energy Company Ltd.
Anthony H. S. Leung
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Monitoring surfactant content to control hot water process for tar...
Patent number
5,009,773
Issue date
Apr 23, 1991
Alberta Energy Company Ltd.
Laurier L. Schramm
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Microbubble flotation process for the separation of bitumen from an...
Patent number
4,783,268
Issue date
Nov 8, 1988
Alberta Energy Company, Ltd.
Antony H. S. Leung
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Recycle of secondary froth in the hot water process for extracting...
Patent number
4,776,949
Issue date
Oct 11, 1988
Alberta Energy Company Ltd.
Antony H. S. Leung
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for removing spent catalyst from a reactor tower and assembl...
Patent number
4,642,223
Issue date
Feb 10, 1987
Alberta Energy Company Ltd.
Abbas Al-Saigh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Use of a submersible viscometer in the primary separation step of t...
Patent number
4,637,417
Issue date
Jan 20, 1987
Alberta Energy Company Ltd.
Laurier L. Schramm
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Treatment of primary tailings and middlings from the hot water extr...
Patent number
4,545,892
Issue date
Oct 8, 1985
Alberta Energy Company Ltd.
Lubomyr M. O. Cymbalisty
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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