Assignee
ALCAN INT LTD
CA·487 granted patents·7 pending applications·12,044 citations·filing 1981–2013
Top patents by PatentIndex Score
494 records- 0198US4931091ATreatment of molten light metals and apparatusALCAN INT LTD·Filed 1989·Granted Jun 5, 1990·162 cites·25 claims
- 0297US5281251AProcess for shape casting of particle stabilized metal foamALCAN INT LTD·Filed 1992·Granted Jan 25, 1994·95 cites·13 claims
- 0397US4470846ARemoval of alkali metals and alkaline earth metals from molten aluminumALCAN INT LTD·Filed 1983·Granted Sep 11, 1984·132 cites·20 claims
- 0496US5660614AGas treatment of molten metalsALCAN INT LTD·Filed 1995·Granted Aug 26, 1997·116 cites·10 claims
- 0596US4837061ATamper-evident structuresALCAN INT LTD·Filed 1987·Granted Jun 6, 1989·137 cites·22 claims
- 0696US4604177AElectrolysis cell for a molten electrolyteALCAN INT LTD·Filed 1985·Granted Aug 5, 1986·78 cites·4 claims
- 0795US5218472AOptical interference structures incorporating porous filmsALCAN INT LTD·Filed 1992·Granted Jun 8, 1993·145 cites·30 claims
- 0895US5178967ABilayer oxide film and process for producing sameALCAN INT LTD·Filed 1990·Granted Jan 12, 1993·81 cites·31 claims
- 0995US5156720AProcess for producing released vapor deposited films and product produced therebyALCAN INT LTD·Filed 1989·Granted Oct 20, 1992·67 cites·29 claims
- 1095US4989794AMethod of producing fine particlesALCAN INT LTD·Filed 1990·Granted Feb 5, 1991·62 cites·25 claims
- 1195US4973358AMethod of producing lightweight foamed metalALCAN INT LTD·Filed 1989·Granted Nov 27, 1990·81 cites·10 claims
- 1295US4657717AForming fibre-plastics compositesALCAN INT LTD·Filed 1985·Granted Apr 14, 1987·145 cites·22 claims
- 1394US6546995B1Casting of molten metal in an open ended mold cavityALCAN INT LTD·Filed 2000·Granted Apr 15, 2003·21 cites·18 claims
- 1494US5334236AProcess for producing shaped slabs of particle stabilized foamed metalALCAN INT LTD·Filed 1992·Granted Aug 2, 1994·70 cites·17 claims
- 1594US5084143AColor change devices incorporating areas of contrasting appearanceALCAN INT LTD·Filed 1991·Granted Jan 28, 1992·80 cites·11 claims
- 1694US5080715ARecovering clean metal and particulates from metal matrix compositesALCAN INT LTD·Filed 1990·Granted Jan 14, 1992·136 cites·14 claims
- 1794US5033721AInsulating lightweight refractory materialsALCAN INT LTD·Filed 1989·Granted Jul 23, 1991·33 cites·39 claims
- 1894US5030424ARecovery of rare earth elements from Bayer process red mudALCAN INT LTD·Filed 1989·Granted Jul 9, 1991·78 cites·22 claims
- 1994US4859711AHollow microspheresALCAN INT LTD·Filed 1988·Granted Aug 22, 1989·81 cites·24 claims
- 2094US4782097AProcess for the preparation of hollow microspheresALCAN INT LTD·Filed 1987·Granted Nov 1, 1988·82 cites·24 claims
- 2194US4687551APorous films and method of forming themALCAN INT LTD·Filed 1985·Granted Aug 18, 1987·78 cites·19 claims
- 2293US6802196B2Methods of and apparatus for pressure-ram-forming metal containers and the likeALCAN INT LTD·Filed 2002·Granted Oct 12, 2004·44 cites·27 claims
- 2393US6755236B1Belt-cooling and guiding means for continuous belt casting of metal stripALCAN INT LTD·Filed 2000·Granted Jun 29, 2004·30 cites·25 claims
- 2493US6442988B1Methods of spin forming initially cylindrical containers and the likeALCAN INT LTD·Filed 2001·Granted Sep 3, 2002·47 cites·11 claims
- 2593US6120621ACast aluminum alloy for can stock and process for producing the alloyALCAN INT LTD·Filed 1996·Granted Sep 19, 2000·72 cites·25 claims
- 2693US5135262AMethod of making color change devices activatable by bending and product thereofALCAN INT LTD·Filed 1990·Granted Aug 4, 1992·57 cites·15 claims
- 2793US5100048AMethod of brazing aluminumALCAN INT LTD·Filed 1991·Granted Mar 31, 1992·71 cites·8 claims
- 2892US6609557B1System for providing consistent flow through multiple permeable perimeter walls in a casting moldALCAN INT LTD·Filed 2000·Granted Aug 26, 2003·21 cites·4 claims
- 2992US6412642B2Method of applying marking to metal sheet for scrap sorting purposesALCAN INT LTD·Filed 2001·Granted Jul 2, 2002·36 cites·36 claims
- 3092US5636681AProcess and apparatus for casting metal stripALCAN INT LTD·Filed 1994·Granted Jun 10, 1997·32 cites·36 claims
- 3192US5582884APeelable laminated structures and process for production thereofALCAN INT LTD·Filed 1992·Granted Dec 10, 1996·147 cites·5 claims
- 3292US5527381AGas treatment of molten metalsALCAN INT LTD·Filed 1994·Granted Jun 18, 1996·66 cites·43 claims
- 3392US5190596AMethod of brazing metal surfacesALCAN INT LTD·Filed 1992·Granted Mar 2, 1993·65 cites·35 claims
- 3492US4994314AColor change devices incorporating thin anodic filmsALCAN INT LTD·Filed 1989·Granted Feb 19, 1991·49 cites·37 claims
- 3592US4614552AAluminum alloy sheet productALCAN INT LTD·Filed 1985·Granted Sep 30, 1986·50 cites·8 claims
- 3691US6780259B2Process for making aluminum alloy sheet having excellent bendabilityALCAN INT LTD·Filed 2002·Granted Aug 24, 2004·25 cites·15 claims
- 3791US5015318AMethod of making tamper-evident structuresALCAN INT LTD·Filed 1989·Granted May 14, 1991·94 cites·2 claims
- 3890US6808009B2System for providing consistent flow through multiple permeable perimeter walls in a casting moldALCAN INT LTD·Filed 2003·Granted Oct 26, 2004·16 cites·16 claims
- 3990US5701775AProcess and apparatus for applying and removing liquid coolant to control temperature of continuously moving metal stripALCAN INT LTD·Filed 1993·Granted Dec 30, 1997·47 cites·51 claims
- 4090US5616189AAluminum alloys and process for making aluminum alloy sheetALCAN INT LTD·Filed 1994·Granted Apr 1, 1997·60 cites·29 claims
- 4190US5425824AColor-changeable adhesiveALCAN INT LTD·Filed 1992·Granted Jun 20, 1995·67 cites·7 claims
- 4290US5112697AStabilized metal foam bodyALCAN INT LTD·Filed 1990·Granted May 12, 1992·49 cites·9 claims
- 4390US5010220AProcess and apparatus for heating bodies at high temperature and pressure utilizing microwave energyALCAN INT LTD·Filed 1990·Granted Apr 23, 1991·70 cites·26 claims
- 4490US4908281AMetal/air battery with recirculating electrolyteALCAN INT LTD·Filed 1988·Granted Mar 13, 1990·72 cites·13 claims
- 4590US4859288APorous anodic aluminum oxide filmsALCAN INT LTD·Filed 1988·Granted Aug 22, 1989·46 cites·18 claims
- 4689US5055150AProcess and apparatus for producing coated polymer sheets having oxygen and moisture barrier properties and coated polymer sheets thus producedALCAN INT LTD·Filed 1990·Granted Oct 8, 1991·65 cites·20 claims
- 4789US5046347ACoolant containment apparatus for rolling millsALCAN INT LTD·Filed 1989·Granted Sep 10, 1991·34 cites·20 claims
- 4889US4992638AMicrowave heating device with microwave distribution modifying meansALCAN INT LTD·Filed 1990·Granted Feb 12, 1991·96 cites·50 claims
- 4989US4948573AProcess for producing silicon carbide and metal carbidesALCAN INT LTD·Filed 1989·Granted Aug 14, 1990·48 cites·20 claims
- 5089US4637842AProduction of aluminum alloy sheet and articles fabricated therefromALCAN INT LTD·Filed 1984·Granted Jan 20, 1987·56 cites·16 claims
Showing the top 50 of 494 patent records by PatentIndex Score.
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