Assignee
HOPPECKE ZOELLNER SOHN ACCU
DE·30 granted patents·491 citations·filing 1973–2001
Top patents by PatentIndex Score
30 records- 0181US5008165AElectrochemical cellHOPPECKE ZOELLNER SOHN ACCU·Filed 1989·Granted Apr 16, 1991·72 cites·11 claims
- 0278US4490443ABattery having electrolyte supply reservoir and activation tank disposed in a battery housingHOPPECKE ZOELLNER SOHN ACCU·Filed 1983·Granted Dec 25, 1984·35 cites·7 claims
- 0378US4048387ASubstance and device for the absorption of catalyst poisoning gases out of the oxyhydrogen gas produced by lead-acid storage batteriesHOPPECKE ZOELLNER SOHN ACCU·Filed 1975·Granted Sep 13, 1977·37 cites·18 claims
- 0469US6844104B2Vent plug system for storage batteriesHOPPECKE ZOELLNER SOHN ACCU·Filed 2001·Granted Jan 18, 2005·12 cites·9 claims
- 0569US4463064AGalvanic element, especially metal-air-cellHOPPECKE ZOELLNER SOHN ACCU·Filed 1983·Granted Jul 31, 1984·26 cites·11 claims
- 0669US4455724ACasting machine for grids of lead storage batteriesHOPPECKE ZOELLNER SOHN ACCU·Filed 1981·Granted Jun 26, 1984·34 cites·21 claims
- 0767US4425959AMold for casting intercell connectorsHOPPECKE ZOELLNER SOHN ACCU·Filed 1981·Granted Jan 17, 1984·17 cites·15 claims
- 0865US6677075B2Plug arrangement for a cell vent of a storage batteryHOPPECKE ZOELLNER SOHN ACCU·Filed 2001·Granted Jan 13, 2004·6 cites·14 claims
- 0965US4016638ADevice for assembling the storage plates and insulating plates of lead-acid batteriesHOPPECKE ZOELLNER SOHN ACCU·Filed 1975·Granted Apr 12, 1977·13 cites·3 claims
- 1062US6660426B2Multi-cell storage battery with gas vent in a cover assemblyHOPPECKE ZOELLNER SOHN ACCU·Filed 2001·Granted Dec 9, 2003·6 cites·13 claims
- 1159US5380604ALead accumulatorHOPPECKE ZOELLNER SOHN ACCU·Filed 1993·Granted Jan 10, 1995·31 cites·10 claims
- 1256US6488982B1Method of producing separator materialsHOPPECKE ZOELLNER SOHN ACCU·Filed 2000·Granted Dec 3, 2002·3 cites·8 claims
- 1356US5007467AMethod and apparatus for producing cathodes for dry-cell batteries, especially lithium batteriesHOPPECKE ZOELLNER SOHN ACCU·Filed 1989·Granted Apr 16, 1991·24 cites·7 claims
- 1455US4600664AStorage batteryHOPPECKE ZOELLNER SOHN ACCU·Filed 1985·Granted Jul 15, 1986·23 cites·12 claims
- 1555US4091174AElectrochemical batteryHOPPECKE ZOELLNER SOHN ACCU·Filed 1977·Granted May 23, 1978·12 cites·28 claims
- 1654US6376119B1Plug system for capping cell vents in a storage battery and a battery cap for use in the plug systemHOPPECKE ZOELLNER SOHN ACCU·Filed 1998·Granted Apr 23, 2002·27 cites·29 claims
- 1754US4129687AReaction catalyst for the elimination of oxyhydrogen gas in lead-acid storage batteriesHOPPECKE ZOELLNER SOHN ACCU·Filed 1975·Granted Dec 12, 1978·12 cites·9 claims
- 1851US5212867AMethod and unit for filling electrochemical cellsHOPPECKE ZOELLNER SOHN ACCU·Filed 1989·Granted May 25, 1993·16 cites·5 claims
- 1951US4507367AGalvanic element, particularly a metal-air cellHOPPECKE ZOELLNER SOHN ACCU·Filed 1982·Granted Mar 26, 1985·14 cites·12 claims
- 2049US6014798AMethod and device for manufacturing lead plates for lead/acid batteriesHOPPECKE ZOELLNER SOHN ACCU·Filed 1998·Granted Jan 18, 2000·19 cites·15 claims
- 2140US6254818B1Method of treating elastic materials that are provided with silica embedmentsHOPPECKE ZOELLNER SOHN ACCU·Filed 1997·Granted Jul 3, 2001·7 cites·7 claims
- 2239US6254841B1Recombination system for the catalytic recombination of hydrogen and oxygen, forming in storage batteries, into waterHOPPECKE ZOELLNER SOHN ACCU·Filed 1999·Granted Jul 3, 2001·14 cites·13 claims
- 2339US3940348AReaction catalyst for the elimination of oxyhydrogen gas in lead-acid storage batteriesHOPPECKE ZOELLNER SOHN ACCU·Filed 1973·Granted Feb 24, 1976·4 cites·8 claims
- 2435US4421322ACombination knife-edge and areal contact lip seal for movable electrodesHOPPECKE ZOELLNER SOHN ACCU·Filed 1981·Granted Dec 20, 1983·6 cites·17 claims
- 2534US4169190AElectrochemical batteryHOPPECKE ZOELLNER SOHN ACCU·Filed 1977·Granted Sep 25, 1979·4 cites·10 claims
- 2634US4093785ALighter lead storage batteryHOPPECKE ZOELLNER SOHN ACCU·Filed 1977·Granted Jun 6, 1978·4 cites·20 claims
- 2733US4643235AMethod for making oxygen electrode for alkaline galvanic cellsHOPPECKE ZOELLNER SOHN ACCU·Filed 1985·Granted Feb 17, 1987·8 cites·5 claims
- 2830US6114066AMethod of producing lead storage batteriesHOPPECKE ZOELLNER SOHN ACCU·Filed 1997·Granted Sep 5, 2000·4 cites·17 claims
- 2929US6635386B2Process for producing an industrial electrolyte for lead storage batteries in the form of a thixotropic gelHOPPECKE ZOELLNER SOHN ACCU·Filed 1998·Granted Oct 21, 2003·1 cites·10 claims
- 3028US4107396AMethod and apparatus for the production of high outputs with high current densities in an electrochemical systemHOPPECKE ZOELLNER SOHN ACCU·Filed 1977·Granted Aug 15, 1978·0 cites·18 claims
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