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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 1153

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5169736 Electrochemical secondary elementJul 09, 91Dec 08, 92[H01M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0077,507 Rechargeable batteryAbandonedOct 16, 02Apr 24, 03[H01M]
2002/0042,000 Ni/metal hydride secondary elementAbandonedJul 19, 01Apr 11, 02[B05D, H01M]
5500309 Ni/metal hydride accumulatorExpiredNov 30, 94Mar 19, 96[H01M]
5389467 Rechargeable galvanic lithium cellExpiredMay 11, 94Feb 14, 95[H01M]
5141827 Ion conductor or electrolyte for a galvanic elementExpiredAug 20, 90Aug 25, 92[H01M]
5128219 Gas-tight, sealed metal oxide/hydrogen storage batteryExpiredAug 17, 90Jul 07, 92[H01M]

Top Inventors for This Owner

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