ALUMINUM COMPANY OF AMERICA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 730
 
  
 
C22C ALLOYS 567
 
  
 
B62D MOTOR VEHICLES; TRAILERS 388
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 395
 
  
 
B21B ROLLING OF METAL 230
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 219
 
  
 
A62D CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS115
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B09B DISPOSAL OF SOLID WASTE 110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6368430 Process for quenching heat treatable metal alloysNov 18, 99Apr 09, 02[C22F]
6344096 Method of producing aluminum alloy sheet for automotive applicationsMay 11, 95Feb 05, 02[C22F]
6280543 Process and products for the continuous casting of flat rolled sheetJan 21, 98Aug 28, 01[C22F]
6281466 Projection welding of an aluminum sheetJun 28, 99Aug 28, 01[B23K]
6173755 Nozzle for continuous slab castingMay 23, 96Jan 16, 01[B22D]
6129792 Corrosion resistant aluminum alloy rolled sheetFeb 23, 99Oct 10, 00[C22F]
6125612 Method of stretch wrapping heavy coilsJun 03, 99Oct 03, 00[B65B]
6113711 Extrusion of aluminum-lithium alloysMar 28, 94Sep 05, 00[C22F]
6113850 2XXX series aluminum alloyAug 09, 94Sep 05, 00[C22C]
6077616 Laminated strip for use as reflective vehicle trimNov 18, 98Jun 20, 00[B21D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6791056 Projection welding of an aluminum sheetExpiredNov 27, 02Sep 14, 04[B23K]
6355121 Modified etching bath for the deposition of a protective surface chemistry that eliminates hydrogen absorption at elevated temperaturesExpiredMar 17, 98Mar 12, 02[C03C, C22F, C23F]
6309994 Fiber reinforced composite having an aluminum phosphate bonded matrixExpiredAug 14, 89Oct 30, 01[C04B]
6250362 Method and apparatus for producing a porous metal via spray castingExpiredMar 02, 98Jun 26, 01[B22D]
6187168 Electrolysis in a cell having a solid oxide ion conductorExpiredOct 06, 98Feb 13, 01[C25C]
6135198 Substrate system for spray formingExpiredMar 05, 98Oct 24, 00[B22D]
6132531 Alloy and cast alloy componentsExpiredFeb 11, 99Oct 17, 00[C22C]
6117302 Fuel cell aluminum productionExpiredAug 18, 98Sep 12, 00[C25C]
6100487 Chemical treatment of aluminum alloys to enable alloy separationExpiredFeb 19, 98Aug 08, 00[B07C]
6036792 Liquid-state-in-situ-formed ceramic particles in metals and alloysExpiredApr 01, 98Mar 14, 00[C22C]
6030518 Reduced temperature aluminum production in an electrolytic cell having an inert anodeExpiredSep 10, 97Feb 29, 00[C25C]
6001245 Separating solid particles from used lubricant compositionsExpiredApr 20, 98Dec 14, 99[B01D]
5992892 Beverage can having instant winner type game thereonExpiredDec 12, 97Nov 30, 99[B42D]
5985046 Process for making clear coated aluminum alloy lighting sheetExpiredMar 10, 98Nov 16, 99[C23C]
5740224 Cone beam synthetic arrays in three-dimensional computerized tomographyExpiredNov 30, 95Apr 14, 98[L01N]
D361052 Vehicle wheelExpiredFeb 23, 94Aug 08, 95[]
D360867 Vehicle wheelExpiredNov 24, 92Aug 01, 95[]
5435374 Fiber reinforced aluminum matrix composite with improved interfacial bondingExpiredOct 22, 93Jul 25, 95[B22D]
D358797 Vehicle wheelExpiredAug 11, 92May 30, 95[]
D358360 Vehicle wheelExpiredNov 24, 92May 16, 95[]

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