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Waldemar Maciejewski
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Edmonton, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and process for coalescing bitumen in an oil sand slurry
Patent number
7,481,318
Issue date
Jan 27, 2009
AEC Oil Sands, L.P.
Barry Bara
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Cycloseparator for removal of coarse solids from conditioned oil sa...
Patent number
6,119,870
Issue date
Sep 19, 2000
AEC Oil Sands, L.P.
Waldemar Maciejewski
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Agitated slurry pump box for oil sand hydrotransport
Patent number
6,076,753
Issue date
Jun 20, 2000
AEC Oil Sands, L.P.
Waldemar Maciejewski
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Slurrying oil sand for hydrotransport in a pipeline
Patent number
6,027,056
Issue date
Feb 22, 2000
Alberta Energy Ltd
Waldemar Maciejewski
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Agitated slurry pump box for oil sand hydrotransport
Patent number
5,954,277
Issue date
Sep 21, 1999
AEC Oil Sands, L.P.
Waldemar Maciejewski
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Slurrying oil sand for hydrotransport in a pipeline
Patent number
5,772,127
Issue date
Jun 30, 1998
Alberta Energy Ltd
Waldemar Maciejewski
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
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
Patents Applications
last 30 patents
Information
Patent Application
MIX BOXES FOR PREPARATION OF OIL SAND SLURRY
Publication number
20120104128
Publication date
May 3, 2012
SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project
BARRY BARA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Apparatus and process for coalescing bitumen in an oil sand slurry
Publication number
20050082205
Publication date
Apr 21, 2005
Barry Bara
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...