EVERCEL, 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 3151

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6531237 Manifold and sealing assembly for fuel cell stackMar 01, 01Mar 11, 03[H01M]
5658694 Simplified zinc negative electrode with multiple electrode assembliesSep 27, 96Aug 19, 97[H01M]
5556720 Sealed zinc secondary battery and zinc electrode thereforMay 01, 95Sep 17, 96[H01M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0077,512 Electrolyte for alkaline rechargeable batteriesAbandonedOct 18, 01Apr 24, 03[H01M]
2003/0001,540 Battery assembly having integrated rechargeable battery and battery chargerAbandonedJun 29, 01Jan 02, 03[H02J]
2003/0003,354 Battery assembly having through-the-wall connection assembliesAbandonedJun 29, 01Jan 02, 03[H01M]
5863676 Calcium-zincate electrode for alkaline batteries and method for making sameExpiredMar 27, 97Jan 26, 99[H01M]
5862392 Battery incorporated into computer carrying caseExpiredSep 27, 96Jan 19, 99[G06F]
5460899 Sealed zinc secondary battery and zinc electrode thereforExpiredAug 18, 94Oct 24, 95[H01M]
5264305 Zinc secondary battery having bipolar plate construction with horizontally disposed battery componentsExpiredMay 03, 91Nov 23, 93[H01M]
5023155 Nickel electrode for alkaline batteriesExpiredNov 06, 89Jun 11, 91[H01M]
4976904 Method and apparatus for continuous formation of fibrillated polymer binder electrode componentExpiredApr 20, 89Dec 11, 90[B29C]
4810598 Gas recombination assembly for electrochemical cellsExpiredMar 24, 88Mar 07, 89[H01M]
4661759 Nickel-oxygen monitor cell systemExpiredAug 16, 84Apr 28, 87[H02J]
4546058 Nickel electrode for alkaline batteriesExpiredDec 12, 84Oct 08, 85[H01M]
4415636 Secondary batteries having a zinc negative electrodeExpiredMay 07, 81Nov 15, 83[H01M]

Top Inventors for This Owner

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