Assignee
COMALCO ALU
AU48 patents
Top patents by PatentIndex Score
US4713203ADec 15, 1987
Bauxite proppant
COMALCO ALU121 citations96
US5175133ADec 29, 1992
Ceramic microspheres
COMALCO ALU59 citations92
US5240654AAug 31, 1993
Method of making ceramic microspheres
COMALCO ALU45 citations89
US5752729AMay 19, 1998
Vacuum lifting device
COMALCO ALU117 citations88
US5577546ANov 26, 1996
Particulate feedstock for metal injection molding
COMALCO ALU42 citations87
US5477906ADec 26, 1995
Casting of metal objects
COMALCO ALU30 citations87
US5217546AJun 8, 1993
Cast aluminium alloys and method
COMALCO ALU32 citations87
US4880541ANov 14, 1989
Hot filter media
COMALCO ALU28 citations87
US5658447AAug 19, 1997
Electrolysis cell and method for metal production
COMALCO ALU40 citations86
US5330631AJul 19, 1994
Aluminium smelting cell
COMALCO ALU25 citations86
US4668485AMay 26, 1987
Recovery of sodium aluminate from Bayer process red mud
COMALCO ALU25 citations86
US5089093AFeb 18, 1992
Process for controlling aluminum smelting cells
COMALCO ALU33 citations85
US5658544AAug 19, 1997
Gas-solid contacting method
COMALCO ALU23 citations84
US5484492AJan 16, 1996
Al-Si alloys and method of casting
COMALCO ALU39 citations84
US6113756ASep 5, 2000
Cathode construction
COMALCO ALU20 citations83
US5502743AMar 26, 1996
High temperature furnace
COMALCO ALU26 citations82
US4810682AMar 7, 1989
Production of useful materials including synthetic nepheline from Bayer red mud
COMALCO ALU21 citations82
US5476574ADec 19, 1995
Continuous alumina feeder
COMALCO ALU35 citations81
US5320803AJun 14, 1994
Process for making aluminum-lithium alloys of high toughness
COMALCO ALU15 citations80
US5730836AMar 24, 1998
Evaporative concentration of clay slurries
COMALCO ALU19 citations76
US5297611AMar 29, 1994
Casting of metal objects
COMALCO ALU17 citations76
US5565169AOct 15, 1996
Aluminum-magnesium alloys having high toughness
COMALCO ALU6 citations72
US5456808AOct 10, 1995
Method for operating a continuous prebaked anode cell by locating resistance reducing materials to control the rate of heat extraction
COMALCO ALU10 citations72
US5431876AJul 11, 1995
Aluminum-lithium alloys
COMALCO ALU11 citations72
US5422066AJun 6, 1995
Aluminum-lithium, aluminum-magnesium and magnesium-lithium alloys of high toughness
COMALCO ALU9 citations72
US5085830AFeb 4, 1992
Process for making aluminum-lithium alloys of high toughness
COMALCO ALU6 citations72
US5956842ASep 28, 1999
Butt and thimble press
COMALCO ALU18 citations71
US5352419AOct 4, 1994
Recovery of aluminium and fluoride values from spent pot lining
COMALCO ALU16 citations70
US5316070AMay 31, 1994
Controlled casting of Al-Si hypereutectic alloys
COMALCO ALU12 citations70
US5098873AMar 24, 1992
Low cement refractory
COMALCO ALU10 citations70
US5043047AAug 27, 1991
Aluminum smelting cells
COMALCO ALU11 citations68
US4474736AOct 2, 1984
Treatment of aluminous materials
COMALCO ALU11 citations68
US4900535AFeb 13, 1990
Recovery of fluoride values from waste materials
COMALCO ALU13 citations67
US5776426AJul 7, 1998
Treatment of solid material containing fluoride and sodium including mixing with caustic liquor and lime
COMALCO ALU11 citations65
US4943367AJul 24, 1990
Process for the production of high purity coke from coal
COMALCO ALU17 citations65
US6071335AJun 6, 2000
Surface modification of kaolinite
COMALCO ALU11 citations64
US5503220AApr 2, 1996
Heating and/or cooling of vessels
COMALCO ALU17 citations64
US5676773AOct 14, 1997
Aluminum-lithium, aluminum-magnesium and magnesuim-lithium alloys of high toughness
COMALCO ALU1 citations61
US5665213ASep 9, 1997
Continuous prebaked anode cell
COMALCO ALU2 citations61
US5531806AJul 2, 1996
Magnesium-lithium alloys of high toughness
COMALCO ALU3 citations61
US5529761AJun 25, 1996
Production of low soda alumina
COMALCO ALU6 citations61
US5352338AOct 4, 1994
Cathode protection
COMALCO ALU5 citations59
US4885045ADec 5, 1989
Aluminium alloys suitable for sacrificial anodes
COMALCO ALU14 citations59
US5812587ASep 22, 1998
Apparatus and method for the supply of molten metal
COMALCO ALU9 citations58
US5667664ASep 16, 1997
Ledge-free aluminum smelting cell
COMALCO ALU5 citations58
US4548795AOct 22, 1985
Treatment of aluminous materials
COMALCO ALU4 citations57
US6616902B1Sep 9, 2003
Feed processing for improved alumina process performance
COMALCO ALU2 citations49
US5718873AFeb 17, 1998
Countercurrent gas-solid contacting
COMALCO ALU6 citations49