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Calgary, CA
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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
Recovery of hydrocarbons from hydrocarbon contaminated sludge
Patent number
5,242,580
Issue date
Sep 7, 1993
Esso Resources Canada Limited
Kohur N. Sury
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Extendable/erectable arm assembly and method of borehole mining
Patent number
5,197,783
Issue date
Mar 30, 1993
ESSO Resources Canada Ltd.
Kenneth J. Theimer
E21 - EARTH DRILLING MINING
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
Low temperature bitumen recovery process
Patent number
4,946,597
Issue date
Aug 7, 1990
Esso Resources Canada Limited
Kohur N. Sury
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Bucket wheel assembly
Patent number
4,946,227
Issue date
Aug 7, 1990
Esso Resources Canada Limited
Raj Paul
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Control system for an endless belt conveyor train
Patent number
4,863,009
Issue date
Sep 5, 1989
Alberta Energy Company Ltd.
Gordon R. Winkel
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
Information
Patent Grant
Apparatus and method for determining the hydrogen content of a subs...
Patent number
4,499,380
Issue date
Feb 12, 1985
ESSO Resources Canada, Ltd.
Mohamed A. Aggour
G01 - MEASURING TESTING
Information
Patent Grant
Device for splicing cable ends
Patent number
4,489,828
Issue date
Dec 25, 1984
Petro-Canada Exploration Inc.
Gustaaf Stipdonk
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Blending tar sands to provide feedstocks for hot water process
Patent number
4,474,616
Issue date
Oct 2, 1984
Petro-Canada Exploration Inc.
Russell G. Smith
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Control of process aid used in hot water process for extraction of...
Patent number
4,462,892
Issue date
Jul 31, 1984
Petro-Canada Exploration Inc.
Laurier L. Schramm
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Skimmer apparatus for recovering bitumen
Patent number
4,456,536
Issue date
Jun 26, 1984
Petro-Canada Exploration Inc.
Gordon Lorenz
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method and apparatus for sampling a core of tar sand
Patent number
4,372,174
Issue date
Feb 8, 1983
Petro-Canada Exploration Inc.
Lubomyr M. Cymbalisty
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Homogenizer/subsampler for tar sand process streams
Patent number
4,328,710
Issue date
May 11, 1982
Petro-Canada Exploration Inc.
Lubomyr M. O. Cymbalisty
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Homogenizer/subsampler for tar sand process streams
Patent number
4,284,360
Issue date
Aug 18, 1981
Petro-Canada Exploration Inc.
Lubomyr M. O. Cymbalisty
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for controlling flocculant addition to tar sand tailings
Patent number
4,282,103
Issue date
Aug 4, 1981
Petro-Canada Exploration Inc.
Bryan J. Fuhr
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Beneficiation of heavy minerals from bituminous sands residues by d...
Patent number
4,225,422
Issue date
Sep 30, 1980
Petro-Canada Exploration Inc.
Lloyd Trevoy
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74248427 - E-B FUEL
Serial number
74248427
Filing date
Feb 21, 1992
ESSO RESOURCES CANADA LIMITED
4 - Industrial oils and greases