Assignee
SUNCOR INC
CA31 patents
Top patents by PatentIndex Score
US4437998AMar 20, 1984
Method for treating oil sands extraction plant tailings
SUNCOR INC46 citations92
US4399039AAug 16, 1983
Treatment of tailings pond sludge
SUNCOR INC52 citations92
US4414117ANov 8, 1983
Decarbonation of tailings sludge to improve settling
SUNCOR INC38 citations91
US4392941AJul 12, 1983
Recovery of bitumen from tar sands sludge using additional water
SUNCOR INC28 citations90
US4360981ANov 30, 1982
Lip and tooth combination for bucket wheel excavator
SUNCOR INC47 citations89
US4337396AJun 29, 1982
Method for bitumen analysis and apparatus therefor
SUNCOR INC31 citations88
US4961381AOct 9, 1990
Primer centering device for large diameter blastholes
SUNCOR INC27 citations86
US5581864ADec 10, 1996
Coke drum deheading system
SUNCOR INC58 citations85
US4616454AOct 14, 1986
Slant service rig
SUNCOR INC28 citations83
US4456533AJun 26, 1984
Recovery of bitumen from bituminous oil-in-water emulsions
SUNCOR INC23 citations82
US5377818AJan 3, 1995
Conveyor belt splice cover
SUNCOR INC18 citations81
US4399038AAug 16, 1983
Method for dewatering the sludge layer of an industrial process tailings pond
SUNCOR INC19 citations81
US4330409AMay 18, 1982
Destabilization of sludge with hydrolyzed starch flocculants
SUNCOR INC19 citations81
US4289540ASep 15, 1981
Hydrolyzed starch-containing compositions
SUNCOR INC28 citations81
US4401552AAug 30, 1983
Beneficiation of froth obtained from tar sands sludge
SUNCOR INC19 citations75
US4839060AJun 13, 1989
Methylated starch compositions and their use as flocculating agents for mineral wastes, such as bauxite residues
SUNCOR INC10 citations72
US4566909AJan 28, 1986
Hydrolyzed yam starch flocculants
SUNCOR INC8 citations72
US4452900AJun 5, 1984
Method for determining clay content in tailings and sludge
SUNCOR INC7 citations72
US4412007AOct 25, 1983
Rapid method for bitumen analysis
SUNCOR INC10 citations72
US4294183AOct 13, 1981
Cutter configuration for efficient ice disaggregation and clearing
SUNCOR INC9 citations72
US4549935AOct 29, 1985
Conditioning drum for a tar sands hot water extraction process
SUNCOR INC13 citations65
US4560416ADec 24, 1985
Hydrolyzed dasheen starch flocculants
SUNCOR INC3 citations61
US4507209AMar 26, 1985
Destabilization of sludge with hydrolyzed yam starch flocculants
SUNCOR INC4 citations61
US4502961AMar 5, 1985
Destabilization of sludge with hydrolyzed cassava starch flocculants
SUNCOR INC5 citations61
US4422399ADec 27, 1983
Means for increasing the efficiency of an ice disaggregation system
SUNCOR INC3 citations61
US4355231AOct 19, 1982
Remote analysis using thermal radiation
SUNCOR INC5 citations57
US4429653AFeb 7, 1984
Means employing hydro-jets for facilitating the clearing of disaggregated ice chunks from the cutting region
SUNCOR INC4 citations54
US4564004AJan 14, 1986
Hydrolyzed cassava starch flocculants
SUNCOR INC0 citations51
US4508627AApr 2, 1985
Process for making starch flocculants of improved efficiency
SUNCOR INC1 citations51
US4502960AMar 5, 1985
Destabilization of sludge with hydrolyzed dasheen starch flocculants
SUNCOR INC0 citations51
US4365571ADec 28, 1982
Ice disaggregation system
SUNCOR INC1 citations51