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Patents Grants
last 30 patents
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
Dilution centrifuging of bitumen froth from the hot water process f...
Patent number
4,383,914
Issue date
May 17, 1983
Petro-Canada Exploration Inc.
Thaddeus E. Kizior
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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
Information
Patent Grant
Filtration of hot water extraction process whole tailings
Patent number
4,225,433
Issue date
Sep 30, 1980
Petro-Canada Exploration Inc.
Joseph K. Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process aid addition in hot water process based on feed fines content
Patent number
4,201,656
Issue date
May 6, 1980
Petro-Canada Exploration Inc.
Emerson Sanford
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Non-ionic emulsifying release agent for bituminous sands conveyor belt
Patent number
4,197,937
Issue date
Apr 15, 1980
Petro-Canada Exploration Inc.
Emerson Sanford
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process of treating bituminous sands conveyor belt with release agent
Patent number
4,172,811
Issue date
Oct 30, 1979
Petro-Canada Exploration Inc.
Emerson Sanford
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for secondary recovery of bitumen in hot water extraction o...
Patent number
4,172,025
Issue date
Oct 23, 1979
Petro-Canada Exploration Inc.
Kenneth Porteous
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for concentrating heavy minerals in the solids tailings from...
Patent number
4,150,093
Issue date
Apr 17, 1979
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Victor Kaminsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Bitumen-sodium hydroxide-water emulsion release agent for bituminou...
Patent number
4,146,125
Issue date
Mar 27, 1979
Petro-Canada Exploration Inc.
Emerson Sanford
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for concentrating heavy minerals in the solids tailings from...
Patent number
4,138,467
Issue date
Feb 6, 1979
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Victor Kaminsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Treatment of tumbler reject
Patent number
4,131,535
Issue date
Dec 26, 1978
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Kenneth Porteous
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Deaerator circuit for bitumen froth
Patent number
4,116,809
Issue date
Sep 26, 1978
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Thaddeus Eugene Kizior
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Recovery of hydrocarbon from dilution centrifuging tailings
Patent number
4,111,789
Issue date
Sep 5, 1978
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Kenneth Porteous
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dual control system for tailings outlet of primary separation vesse...
Patent number
4,107,029
Issue date
Aug 15, 1978
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Gordon Ronald Lorenz
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
System for handling the underflow from a primary separation vessel...
Patent number
4,105,537
Issue date
Aug 8, 1978
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Stanley McQuitty
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Purification of water for boiler
Patent number
4,098,691
Issue date
Jul 4, 1978
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
John Filby
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Electrode well for electrically heating a subterranean formation
Patent number
4,084,639
Issue date
Apr 18, 1978
Petro Canada Exploration Inc.
John C. Todd
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of producing viscous materials from subterranean formations
Patent number
4,084,637
Issue date
Apr 18, 1978
Petro Canada Exploration Inc.
John C. Todd
E21 - EARTH DRILLING MINING
Information
Patent Grant
Coking of bituminous solids with hot solids recycle
Patent number
4,082,646
Issue date
Apr 4, 1978
Petro-Canada Exploration Inc.
Peter Charles Flynn
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Capacitance system for heavy phase discharge of second stage centri...
Patent number
4,072,609
Issue date
Feb 7, 1978
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Thaddeus E. Kizior
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for reducing power loss associated with electrical heating o...
Patent number
4,010,799
Issue date
Mar 8, 1977
Petro-Canada Exploration Inc.
Loyd R. Kern
E21 - EARTH DRILLING MINING
Information
Patent Grant
Two stage separation system
Patent number
3,935,076
Issue date
Jan 27, 1976
Canada-Cities Service, Ltd.
Lubomyr M. O. Cymbalisty
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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last 30 patents
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