Assignee
HAGEN BATTERIE AG
DE·14 granted patents·233 citations·filing 1984–1995
Top patents by PatentIndex Score
14 records- 0169US5415219AGrid casting mold for the casting of lead grids for accumulators and methods for its manufactureHAGEN BATTERIE AG·Filed 1993·Granted May 16, 1995·37 cites·19 claims
- 0268US4760001ANegative electrode for lead accumulatorsHAGEN BATTERIE AG·Filed 1987·Granted Jul 26, 1988·35 cites·16 claims
- 0363US4788113ASheet material and separator envelopes manufactured therefrom for the electrode plates of batteriesHAGEN BATTERIE AG·Filed 1987·Granted Nov 29, 1988·29 cites·6 claims
- 0460US4778479AMethod of manufacturing accumulators having accumulator plate sets and an accumulator manufactured in accordance with this methodHAGEN BATTERIE AG·Filed 1987·Granted Oct 18, 1988·25 cites·28 claims
- 0556US4554228ANegative electrode for lead accumulatorsHAGEN BATTERIE AG·Filed 1984·Granted Nov 19, 1985·18 cites·21 claims
- 0647US5139902AElectrode for electrochemical cellsHAGEN BATTERIE AG·Filed 1990·Granted Aug 18, 1992·20 cites·22 claims
- 0745US4597841AProcess of recovering lead from old lead accumulator scrap and reduction plate for this processHAGEN BATTERIE AG·Filed 1985·Granted Jul 1, 1986·11 cites·50 claims
- 0841US5364714ATerminal post for a storage batteryHAGEN BATTERIE AG·Filed 1993·Granted Nov 15, 1994·15 cites·2 claims
- 0939US4988418AMethod of electrically measuring the concentration of acidsHAGEN BATTERIE AG·Filed 1989·Granted Jan 29, 1991·8 cites·20 claims
- 1038US4657799ASheet material for the production of separator pockets for lead accumulatorsHAGEN BATTERIE AG·Filed 1986·Granted Apr 14, 1987·7 cites·4 claims
- 1136US5561001AAccumulator with degassing channelHAGEN BATTERIE AG·Filed 1995·Granted Oct 1, 1996·12 cites·17 claims
- 1236US5435182AMethod and apparatus for determining at least one physical parameter of accumulator electrode platesHAGEN BATTERIE AG·Filed 1994·Granted Jul 25, 1995·9 cites·14 claims
- 1327US5848468AMethod of forming metallic current conducting lugs at electrode plates of accumulatorsHAGEN BATTERIE AG·Filed 1995·Granted Dec 15, 1998·6 cites·36 claims
- 1423US4781997AStorage battery that is protected against the discharge of acidHAGEN BATTERIE AG·Filed 1986·Granted Nov 1, 1988·1 cites·7 claims
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