VARTA AUTOMOTIVE SYSTEMS GMBH

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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 10144
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 173

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9099714 Electrical storage battery having spring damping elementAug 31, 07Aug 04, 15[H01M]
7879487 Battery having sealed contact terminal bushingApr 14, 04Feb 01, 11[H01M]
7867292 Prismatic rechargeable battery and method for producing such a batteryFeb 11, 08Jan 11, 11[H01M]
7790310 Prismatic rechargeable batteryJun 19, 06Sep 07, 10[H01M]
6294147 Ternary lithium manganese spinel and process for the production thereofJun 01, 00Sep 25, 01[C04B, H01B, C01G]
6228524 Storage battery with temperture-control deviceNov 09, 98May 08, 01[H01M]
6146783 Multi-cell storage batteryMay 21, 98Nov 14, 00[H01M]
6007944 Rechargeable lithium-ion cellMar 26, 98Dec 28, 99[H01M]
5766798 Prismatic galvanic cell having a current topping lugSep 06, 96Jun 16, 98[H01M]
5738958 Alloys for use as active material for the negative electrode of an alkaline, rechargeable nickel-metal hydride battery, and process for its productionJul 09, 96Apr 14, 98[H01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0186,260 Accumulator, Accumulator Group and Method for Production ThereofAbandonedSep 13, 06Jul 23, 09[H01M]
7332246 Galvanic element with a set of wound electrodesExpiredSep 06, 02Feb 19, 08[H01M]
7172835 Alkaline rechargeable battery with medium-length carbon fibersExpiredMay 06, 03Feb 06, 07[H01M]
7157181 Electrochemical element having a wound electrode setExpiredDec 03, 02Jan 02, 07[H01M]
2005/0221,179 Active mixed nickel hydroxide cathode material for alkaline storage batteries and process for its productionAbandonedMar 23, 05Oct 06, 05[H01M, C01G]
6881519 Ni/metal hydride secondary elementExpiredJul 20, 01Apr 19, 05[H01M]
6866962 Sealed rechargeable batteryExpiredSep 24, 02Mar 15, 05[H01M]
6777914 Method for determining the state of charge of rechargeable batteries by integration of the amounts of current flowing during charging and dischargingExpiredOct 21, 02Aug 17, 04[H02J, G01N]
6511517 Method for producing a secondary lithium cell comprising a heat-sensitive protective mechanismExpiredApr 17, 00Jan 28, 03[H01M]
6428929 Negative electrode for high-energy lithium-ion batteries and method of productionExpiredMay 19, 00Aug 06, 02[H01M]
6392389 Method for monitoring and controlling the charging of gastight alkaline rechargeable batteriesExpiredAug 29, 01May 21, 02[H02J]
6335115 Secondary lithium-ion cell with an auxiliary electrodeExpiredOct 04, 99Jan 01, 02[H01M]
6183910 Electrochemical lithium secondary elementExpiredOct 24, 97Feb 06, 01[H01M]
6025093 Lithium ion cellExpiredJan 12, 98Feb 15, 00[H01M]
5858061 Process for the recovery of metals from used nickel/metal hydride storage batteriesExpiredJun 16, 97Jan 12, 99[C22B, H01M]
5786108 Electrochemical cellExpiredOct 29, 96Jul 28, 98[H01M]
5738953 Alkaline metal oxide/metal hydride batteryExpiredApr 05, 96Apr 14, 98[H01M, C22C]

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