Assignee
MOLTECH INVENT SA
LU·96 granted patents·1,644 citations·filing 1987–2005
Top patents by PatentIndex Score
96 records- 0194US5368702AElectrode assemblies and mutimonopolar cells for aluminium electrowinningMOLTECH INVENT SA·Filed 1991·Granted Nov 29, 1994·85 cites·25 claims
- 0294US5310476AApplication of refractory protective coatings, particularly on the surface of electrolytic cell componentsMOLTECH INVENT SA·Filed 1992·Granted May 10, 1994·63 cites·40 claims
- 0393US5527442ARefractory protective coated electroylytic cell componentsMOLTECH INVENT SA·Filed 1993·Granted Jun 18, 1996·53 cites·11 claims
- 0493US5364513AElectrochemical cell component or other material having oxidation preventive coatingMOLTECH INVENT SA·Filed 1992·Granted Nov 15, 1994·62 cites·47 claims
- 0590US6692620B2Aluminium electrowinning cell with sidewalls resistant to molten electrolyteMOLTECH INVENT SA·Filed 2002·Granted Feb 17, 2004·34 cites·23 claims
- 0689US5683559ACell for aluminium electrowinning employing a cathode cell bottom made of carbon blocks which have parallel channels thereinMOLTECH INVENT SA·Filed 1995·Granted Nov 4, 1997·50 cites·36 claims
- 0788US5340448AAluminum electrolytic cell method with application of refractory protective coatings on cello componentsMOLTECH INVENT SA·Filed 1993·Granted Aug 23, 1994·34 cites·24 claims
- 0888US4948676ACermet material, cermet body and method of manufactureMOLTECH INVENT SA·Filed 1987·Granted Aug 14, 1990·49 cites·27 claims
- 0987US6436273B1Drained cathode aluminium electrowinning cell with alumina distributionMOLTECH INVENT SA·Filed 2000·Granted Aug 20, 2002·23 cites·32 claims
- 1087US5362366AAnode-cathode arrangement for aluminum production cellsMOLTECH INVENT SA·Filed 1992·Granted Nov 8, 1994·48 cites·48 claims
- 1185US6533909B2Bipolar cell for the production of aluminium with carbon cathodesMOLTECH INVENT SA·Filed 2001·Granted Mar 18, 2003·19 cites·39 claims
- 1285US5725744ACell for the electrolysis of alumina at low temperaturesMOLTECH INVENT SA·Filed 1992·Granted Mar 10, 1998·41 cites·21 claims
- 1383US6521115B2Nickel-iron alloy-based anodes for aluminium electrowinning cellsMOLTECH INVENT SA·Filed 2001·Granted Feb 18, 2003·14 cites·53 claims
- 1483US5413689ACarbon containing body or mass useful as cell componentMOLTECH INVENT SA·Filed 1992·Granted May 9, 1995·28 cites·10 claims
- 1583US4960494ACeramic/metal composite materialMOLTECH INVENT SA·Filed 1988·Granted Oct 2, 1990·37 cites·13 claims
- 1682US6113758APorous non-carbon metal-based anodes for aluminium production cellsMOLTECH INVENT SA·Filed 1998·Granted Sep 5, 2000·38 cites·58 claims
- 1782US5316718AComposite electrode for electrochemical processing having improved high temperature properties and method for preparation by combustion synthesisMOLTECH INVENT SA·Filed 1991·Granted May 31, 1994·26 cites·5 claims
- 1881US5534130AApplication of phosphates of aluminum to carbonaceous components of aluminum production cellsMOLTECH INVENT SA·Filed 1994·Granted Jul 9, 1996·31 cites·20 claims
- 1981US5217583AComposite electrode for electrochemical processing and method for using the same in an electrolytic process for producing metallic aluminumMOLTECH INVENT SA·Filed 1991·Granted Jun 8, 1993·37 cites·23 claims
- 2080US6287447B1Method of producing aluminum in a drained cathode cellMOLTECH INVENT SA·Filed 2000·Granted Sep 11, 2001·15 cites·23 claims
- 2180US5019225AMolten salt electrowinning electrode, method and cellMOLTECH INVENT SA·Filed 1987·Granted May 28, 1991·36 cites·22 claims
- 2279US6878247B2Metal-based anodes for aluminium electrowinning cellsMOLTECH INVENT SA·Filed 2002·Granted Apr 12, 2005·11 cites·52 claims
- 2379US5069771AMolten salt electrolysis with non-consumable anodeMOLTECH INVENT SA·Filed 1988·Granted Dec 3, 1991·28 cites·13 claims
- 2478US6425992B1Surface coated non-carbon metal-based anodesMOLTECH INVENT SA·Filed 2000·Granted Jul 30, 2002·11 cites·35 claims
- 2578US6248227B1Slow consumable non-carbon metal-based anodes for aluminium production cellsMOLTECH INVENT SA·Filed 1998·Granted Jun 19, 2001·27 cites·29 claims
- 2678US5071533ACathode current collector for aluminum cellsMOLTECH INVENT SA·Filed 1988·Granted Dec 10, 1991·23 cites·11 claims
- 2778US4956068ANon-consumable anode for molten salt electrolysisMOLTECH INVENT SA·Filed 1988·Granted Sep 11, 1990·34 cites·12 claims
- 2877US6998032B2Metal-based anodes for aluminium electrowinning cellsMOLTECH INVENT SA·Filed 2002·Granted Feb 14, 2006·10 cites·45 claims
- 2977US6455107B1Prevention of oxidation of carbonaceous and other materials at high temperaturesMOLTECH INVENT SA·Filed 1996·Granted Sep 24, 2002·26 cites·6 claims
- 3076US7740745B2Non-carbon anodes with active coatingsMOLTECH INVENT SA·Filed 2005·Granted Jun 22, 2010·2 cites·47 claims
- 3176US6656340B2Aluminium production cell designMOLTECH INVENT SA·Filed 2002·Granted Dec 2, 2003·8 cites·15 claims
- 3276US6521116B2Cells for the electrowinning of aluminium having dimensionally stable metal-based anodesMOLTECH INVENT SA·Filed 2001·Granted Feb 18, 2003·11 cites·85 claims
- 3376US6379526B1Non-carbon metal-based anodes for aluminium production cellsMOLTECH INVENT SA·Filed 2000·Granted Apr 30, 2002·9 cites·67 claims
- 3476US5397450ACarbon-based bodies in particular for use in aluminium production cellsMOLTECH INVENT SA·Filed 1993·Granted Mar 14, 1995·26 cites·66 claims
- 3575US6077415AMulti-layer non-carbon metal-based anodes for aluminum production cells and methodMOLTECH INVENT SA·Filed 1998·Granted Jun 20, 2000·35 cites·43 claims
- 3674US5364442AComposite electrode for electrochemical processing having improved high temperature properties and method for preparation by combustion synthesisMOLTECH INVENT SA·Filed 1993·Granted Nov 15, 1994·19 cites·17 claims
- 3773US6913682B2Cells for the electrowinning of aluminium having dimensionally stable metal-based anodesMOLTECH INVENT SA·Filed 2002·Granted Jul 5, 2005·8 cites·23 claims
- 3873US6540887B2Aluminum electrowinning cells with oxygen-evolving anodesMOLTECH INVENT SA·Filed 2001·Granted Apr 1, 2003·7 cites·38 claims
- 3972US7811425B2Non-carbon anodes with active coatingsMOLTECH INVENT SA·Filed 2005·Granted Oct 12, 2010·1 cites·45 claims
- 4072US6656520B2Surface coated non-carbon metal-based anodes for aluminum production cellsMOLTECH INVENT SA·Filed 2002·Granted Dec 2, 2003·5 cites·10 claims
- 4172US6562224B2Nickel-iron alloy-based anodes for aluminium electrowinning cellsMOLTECH INVENT SA·Filed 2001·Granted May 13, 2003·8 cites·22 claims
- 4272US6228424B1Method and apparatus for impregnation of porous bodies for protection against oxidationMOLTECH INVENT SA·Filed 1997·Granted May 8, 2001·25 cites·37 claims
- 4372US5753163AProduction of bodies of refractory boridesMOLTECH INVENT SA·Filed 1995·Granted May 19, 1998·23 cites·15 claims
- 4471US6638412B2Prevention of dissolution of metal-based aluminium production anodesMOLTECH INVENT SA·Filed 2002·Granted Oct 28, 2003·5 cites·31 claims
- 4571US6402928B1Aluminium production cell with an insulating cover having individually removable sectionsMOLTECH INVENT SA·Filed 1998·Granted Jun 11, 2002·20 cites·28 claims
- 4671US5904828AStable anodes for aluminium production cellsMOLTECH INVENT SA·Filed 1995·Granted May 18, 1999·24 cites·21 claims
- 4771US5472578AAluminium production cell and assemblyMOLTECH INVENT SA·Filed 1994·Granted Dec 5, 1995·17 cites·25 claims
- 4870US5888360ACell for aluminium electrowinningMOLTECH INVENT SA·Filed 1997·Granted Mar 30, 1999·17 cites·13 claims
- 4968US6572757B2Method for producing aluminum and electrolytic cell with improved alumina feed deviceMOLTECH INVENT SA·Filed 2001·Granted Jun 3, 2003·5 cites·26 claims
- 5068US6372099B1Cells for the electrowinning of aluminium having dimensionally stable metal-based anodesMOLTECH INVENT SA·Filed 1998·Granted Apr 16, 2002·15 cites·26 claims
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