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Toronto, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Process and apparatus for heating and deaerating raw bituminous froth
Patent number
4,033,853
Issue date
Jul 5, 1977
Great Canadian Oil Sands Limited
Thomas C. A. Hann
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Recycling aerated scavenged middlings to conditioning step of hot w...
Patent number
4,018,665
Issue date
Apr 19, 1977
Great Canadian Oil Sands Limited
Joseph C. Anderson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for preparing consumable electroslag guide nozzle
Patent number
4,018,861
Issue date
Apr 19, 1977
Great Canadian Oil Sands Limited
Stanton F. Bierwith
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for reducing mineral content of sludge
Patent number
4,018,664
Issue date
Apr 19, 1977
Great Canadian Oil Sands Limited
Frederick A. Bain
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of sludge disposal related to the hot water extraction of ta...
Patent number
4,008,146
Issue date
Feb 15, 1977
Great Canadian Oil Sands Limited
Frederick A. Bain
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Apparatus for processing bituminous froth
Patent number
3,998,702
Issue date
Dec 21, 1976
Great Canadian Oil Sands Limited
Sam Kwame Opoku
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for recovering hydrocarbons and heavy minerals from a tar s...
Patent number
3,990,885
Issue date
Nov 9, 1976
Great Canadian Oil Sands Limited
Robert A. Baillie
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hot water extraction cell containing two or more deflection baffles
Patent number
3,986,592
Issue date
Oct 19, 1976
Great Canadian Oil Sands Limited
Robert A. Baillie
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Aerating tar sands-water mixture prior to settling in a gravity set...
Patent number
3,969,220
Issue date
Jul 13, 1976
Great Canadian Oil Sands Limited
Joseph C. Anderson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of reducing sludge accumulation from tar sands hot water pro...
Patent number
3,953,318
Issue date
Apr 27, 1976
Great Canadian Oil Sands Limited
Robert A. Baillie
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of storing sludge recovered from the hot water extraction of...
Patent number
3,951,800
Issue date
Apr 20, 1976
Great Canadian Oil Sands Limited
John E. Ashton
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Improved hydroseparation process for aqueous extraction of bitumen...
Patent number
3,951,779
Issue date
Apr 20, 1976
Great Canadian Oil Sands Limited
Joseph C. Anderson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of controlling the feed rate of quench water to a coking dru...
Patent number
3,936,358
Issue date
Feb 3, 1976
Great Canadian Oil Sands Limited
James E. Little
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Recovering bitumen from large water surfaces
Patent number
3,933,651
Issue date
Jan 20, 1976
Great Canadian Oil Sands Limited
Harold L. Erskine
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method of reducing sludge accumulation from tar sands hot water pro...
Patent number
3,931,006
Issue date
Jan 6, 1976
Great Canadian Oil Sands Limited
Robert A. Baillie
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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last 30 trademarks