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Her Majesty the Queen in right of the Province of Alberta, as represented by the Minister of Energy and Natural Resources
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Edmonton, CA
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Patents Grants
last 30 patents
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
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
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
Process for the selective agglomeration of sub-bituminous coal fines
Patent number
4,726,810
Issue date
Feb 23, 1988
Her Majesty the Queen in right of the Province of Alberta as represented by t...
Boleslaw Ignasiak
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Transverse vibration apparatus for grading wood panels
Patent number
4,722,223
Issue date
Feb 2, 1988
Her Majesty the Queen in right of the Province of Alberta, as represented by...
Lars Bach
G01 - MEASURING TESTING
Information
Patent Grant
Reinforced delta-wing blade for wind turbine
Patent number
4,697,988
Issue date
Oct 6, 1987
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
John A. C. Kentfield
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Process for the manufacture of a corrugated wafer board panel
Patent number
4,675,138
Issue date
Jun 23, 1987
Her Majesty the Queen in right of the Province of Alberta as represented by t...
Lars Bach
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Wind turbine with damper
Patent number
4,674,954
Issue date
Jun 23, 1987
Her Majesty the Queen in right of the Province of Alberta as represented by t...
John A. C. Kenfield
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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
Apparatus for the manufacture of a corrugated wafer board panel
Patent number
4,616,991
Issue date
Oct 14, 1986
Her Majesty the Queen in right of the Province of Alberta as represented by t...
Lars Bach
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Static bending apparatus for grading wood panels
Patent number
4,589,288
Issue date
May 20, 1986
Her Majesty the Queen in right of the Province of Alberta, as represented by...
Andrew W. Porter
G01 - MEASURING TESTING
Information
Patent Grant
Coupling mechanism for wind turbine
Patent number
4,576,064
Issue date
Mar 18, 1986
Her Majesty the Queen in right of the Province of Alberta as represented by t...
John A. C. Kentfield
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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
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
Biofilm removal
Patent number
4,419,248
Issue date
Dec 6, 1983
Her Majesty the Queen in right of the Province of Alberta, as represented by...
John W. F. Costerton
B08 - CLEANING
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last 30 patents
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