VARTA GERATEBATTERIE GMBH

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Patent Activity in the Last 10 Years

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Top Patents (by citation)

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D421594 Battery housingJun 24, 99Mar 14, 00[1302]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6358447 Process for the production of a positive electrode for an alkaline primary elementExpiredOct 29, 99Mar 19, 02[B29C]
6200699 Mercury-free primary alkaline cellExpiredApr 18, 97Mar 13, 01[H01M]
6110433 Process for the recovery of metals from used nickel/metal/rare earth hydride storage batteriesExpiredJun 16, 97Aug 29, 00[C22B, C01G, C01F, B01D]
5974303 Locking mechanism for battery housingsExpiredApr 18, 97Oct 26, 99[H04B]
5919588 Cathode additive for alkaline primary cellsExpiredApr 15, 97Jul 06, 99[H01M]
5660944 Multicell storage batteryExpiredMar 14, 95Aug 26, 97[H01M]
D374211 Battery housing for portable telephonesExpiredJun 06, 95Oct 01, 96[]
5486433 Button cellExpiredFeb 04, 94Jan 23, 96[H01M]
5192628 Alkaline electrolyte for galvanic elementsExpiredOct 18, 91Mar 09, 93[H01M]
5049162 Process for producing a plastic sealing element for a galvanic primary cellExpiredMay 23, 90Sep 17, 91[H01M]
5043235 Galvanic batteryExpiredJun 28, 90Aug 27, 91[H01M]
4994333 Galvanic primary cellExpiredNov 15, 89Feb 19, 91[H07M]
4987041 Sealed nickel-cadmium batteryExpiredDec 21, 89Jan 22, 91[H01M]
4965105 Insulation sleeve for galvanic primary cellsExpiredNov 14, 88Oct 23, 90[H01M]
4947832 Apparatus and method for treating or relieving colicky infantsExpiredNov 23, 87Aug 14, 90[A61H]
4897323 High temperature dischargeable galvanic primary element having alkaline electrolyteExpiredMar 30, 88Jan 30, 90[H01M]
4865927 Electrochemical cellExpiredJun 23, 88Sep 12, 89[H01M]
4760002 Current conductor for a metal oxide electrode in an alkaline electrolyte systemExpiredDec 01, 86Jul 26, 88[H01M]
4643959 Process for producing a gas-tight, sealed alkaline batteryExpiredApr 26, 85Feb 17, 87[H01M]
4557983 Air/oxygen cellExpiredApr 20, 84Dec 10, 85[H01M]

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