DURACELL U.S. OPERATIONS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 30420
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 2595
 
  
 
1302 POWER TRANSFORMERS, RECTIFIERS, BATTERIES AND ACCUMULATORS2412
 
  
 
2602 TORCHES AND HAND LAMPS AND LANTERNS1810
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 12147
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 930
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 8198
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 582
 
  
 
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 494
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES475

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0040,929 INDICATOR CIRCUIT DECOUPLED FROM A GROUND PLANEOct 18, 17Feb 08, 18[H02J, H01M]
2017/0110,727 METAL-DOPED NICKEL OXIDE ACTIVE MATERIALSDec 30, 16Apr 20, 17[H01M, C01G]
2017/0062,841 BATTERY INCLUDING AN ON-CELL INDICATORSep 01, 15Mar 02, 17[H01M]
2016/0351,942 SECONDARY ELECTROCHEMICAL CELLS WITH SEPARATOR AND ELECTROLYTE COMBINATIONMay 29, 12Dec 01, 16[B82Y, H01M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9893390 Battery pack including an indicator circuitAug 27, 14Feb 13, 18[H01M]
9887463 Omni-directional antenna for a cylindrical bodyOct 24, 16Feb 06, 18[H02J, H01M, H01Q]
9882250 Indicator circuit decoupled from a ground planeMar 31, 15Jan 30, 18[H02J, H01M]
9859558 Metal-doped nickel oxide active materialsDec 30, 16Jan 02, 18[H01M, C01G]
9823310 Battery state of charge indicator with an indicator circuitJul 25, 14Nov 21, 17[H02J, G08B, H01M, G01R, H01G]
9819012 Methods of making metal-doped nickel oxide active materialsDec 28, 16Nov 14, 17[H01M, C01G]
9793542 Beta-delithiated layered nickel oxide electrochemically active cathode material and a battery including said materialFeb 19, 15Oct 17, 17[H01M]
9793543 Battery including beta-delithiated layered nickel oxide electrochemically active cathode materialMar 30, 15Oct 17, 17[H01M]
9762069 Multi-use fast rate charging standMay 19, 09Sep 12, 17[H02J]
9739837 Battery state of charge indicator with an auxiliary cellDec 28, 16Aug 22, 17[H01M, G01N, G01R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0047,180 BATTERY MANUFACTURINGAbandonedAug 14, 13Feb 19, 15[H01M]
2015/0017,497 CATHODE ACTIVE SEGMENT FOR AN ELETROCHEMICAL CELLAbandonedJul 11, 13Jan 15, 15[H01M]
2014/0302,347 ELECTROCHEMICAL CELL INCLUDING AN INTEGRATED CIRCUITAbandonedApr 03, 13Oct 09, 14[H01M]
2014/0302,348 ELECTROCHEMICAL CELL INCLUDING AN INTEGRATED CIRCUITAbandonedApr 03, 13Oct 09, 14[H01M]
2013/0320,924 BATTERY-CHARGING DEVICE AND METHOD OF CHARGING BATTERIESAbandonedMay 30, 13Dec 05, 13[H02J]
2012/0315,523 ELECTROCHEMICAL CELLS WITH IMPROVED SPIRAL-WOUND ELECTRODE ASSEMBLYAbandonedJun 09, 11Dec 13, 12[H01M]
2011/0227,536 BATTERY WITH UNIVERSAL CHARGING INPUTAbandonedMar 17, 10Sep 22, 11[H02J]
2010/0261,054 Lithium Primary CellsAbandonedApr 14, 09Oct 14, 10[H01M, C23G, C25F]
7648798 Battery with electrolyte containing aluminum saltExpiredJul 27, 06Jan 19, 10[H01M]
7638214 Fuel cellsExpiredMay 25, 05Dec 29, 09[H01M]
7625655 Fuel container and delivery apparatus for a liquid feed fuel cell systemExpiredAug 15, 07Dec 01, 09[H01M, B65D]
7615508 Cathode for air assisted batteryExpiredMay 08, 07Nov 10, 09[H01M, B01J]
2008/0220,316 End cap seal assembly for a lithium cellAbandonedMar 06, 07Sep 11, 08[H01M]
2008/0050,654 BatteryAbandonedAug 23, 06Feb 28, 08[B05D, H01M]
2007/0224,495 Zinc/air cellAbandonedMar 22, 06Sep 27, 07[H01M]
7001439 Zinc/air cell assemblyExpiredApr 02, 03Feb 21, 06[H01M]
6981520 Microvalve for controlling fluid flowExpiredAug 19, 04Jan 03, 06[F16K]
6962170 Microvalve for controlling fluid flowExpiredJul 20, 00Nov 08, 05[F16K]

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