Deutsche Automobilgesellschaft mbH

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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 18136
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
D04H MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL 130
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 138
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7205065 Gastight prismatic nickel-metal hydride cellJun 10, 00Apr 17, 07[H01M]
6887621 Electrode capable of storing hydrogen and a method for the production of the sameJun 10, 00May 03, 05[H01M]
6632570 Fibrous-structure electrode framework web strip, electrode plates produced therefrom and process for producing a fibrous-structure electrode framework web stripFeb 08, 01Oct 14, 03[H01M]
6558839 Metallized fiber structure framework having treated edge surfaces and faces for use as an electrode or recombination element in accumulatorsNov 30, 00May 06, 03[H01M]
6214491 Metallized fiber structure framework having treated edge surfaces and faces for use as an electrode or recombination element in accumulatorsMay 28, 97Apr 10, 01[H01M]
5656938 Temperature compensation in mass flow sensors employing the hot-wire anemometer principleJan 26, 95Aug 12, 97[G01F]
5595787 Chemical metallization of electrically non-conducting porous substratesAug 26, 91Jan 21, 97[B05P]
5593793 Battery container for several electrochemical accumulators arranged thereinFeb 13, 96Jan 14, 97[H01M]
5589290 Battery box with fluid flow channels to maintain proper temperatureMar 06, 95Dec 31, 96[H01M]
5553594 Controllable ignition systemAug 16, 94Sep 10, 96[F02P]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6806001 Battery in bipolar stacked configuration and method for the production thereofExpiredMay 13, 02Oct 19, 04[H01M]
5789097 Gas-tight maintenance-free cell or batteryExpiredDec 16, 96Aug 04, 98[H01M]
5625289 Magnetic device for detecting angle of rotationExpiredSep 26, 94Apr 29, 97[B60K, H03M, G05G, G01B]
5397659 Electrochemical storage deviceExpiredDec 01, 93Mar 14, 95[H01M]
5315275 Electromagnetic relay and method of adjusting sameExpiredDec 02, 93May 24, 94[H01H]
5286339 Process and apparatus for the hermetic adhesive bonding of plastic casing parts of a battery or of a galvanic cellExpiredJan 13, 92Feb 15, 94[C09J]
5182241 Treating accumulated waste water from plastic substrates activated with Pd/Sn solutionsExpiredOct 21, 91Jan 26, 93[C23C, C25D, B05D, B01J]
5160659 Paste for the vibration filling of foam-structure and fiber-structure electrode plates for galvanic cellsExpiredNov 28, 90Nov 03, 92[H01M]
5097878 Method for vibration-filling electrodes having welded-on current drain tab in a paste bathExpiredDec 21, 90Mar 24, 92[B06B, H01M]
5089301 Solution for the activating of electrically nonconductive substrate surfaces and method of preparing the said solutionExpiredDec 26, 89Feb 18, 92[C23C]
5085254 Process and device for the continuous filling of fiber structure electrode frames provided with current discharge useExpiredJan 07, 91Feb 04, 92[H01M, B65G]
5085956 Fiber-structure electrode support with welded-on current discharge lug and production method thereforExpiredOct 19, 90Feb 04, 92[H01M]
5076199 Apparatus for the chemical metallization of open-pored foams, nonwovens, needle felts of plastic or textile materialExpiredMay 02, 90Dec 31, 91[B05C]
5069258 Device for the vibration filling of porous plaques for voltaic cellsExpiredOct 26, 90Dec 03, 91[H01M]
5034066 Method for washing and rinsing chemically metallized substrate sheetsExpiredAug 15, 90Jul 23, 91[B08B]
5000833 Apparatus for the electrochemical surface treatment of substratesExpiredSep 29, 89Mar 19, 91[C25D]
4974644 Method for the vibration filling of foam-structue and fiber-structure electrode plaques for galvanic cellsExpiredMay 11, 89Dec 04, 90[H01M]
4940553 Aqueous nickel hydroxide paste of high flowabilityExpiredMay 26, 89Jul 10, 90[H01M]
4925706 Process for the chemical metallizing of textile materialExpiredOct 11, 88May 15, 90[B05D]
4909807 Welding and backing ring arrangement for an electric cellExpiredOct 26, 88Mar 20, 90[H01M, B32B]

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