Assignee
VARTA BATTERIE
DE·207 granted patents·3,892 citations·filing 1972–1999
Top patents by PatentIndex Score
207 records- 0197US4349613AMethod and apparatus for electrochemical energy productionVARTA BATTERIE·Filed 1980·Granted Sep 14, 1982·114 cites·7 claims
- 0294US4336217AContinuous production of gas diffusion electrodesVARTA BATTERIE·Filed 1980·Granted Jun 22, 1982·88 cites·8 claims
- 0394US4007315ABattery cell cooling systemVARTA BATTERIE·Filed 1975·Granted Feb 8, 1977·134 cites·17 claims
- 0492US4384029ARechargeable galvanic elementVARTA BATTERIE·Filed 1981·Granted May 17, 1983·60 cites·7 claims
- 0591US5108668AProcess for manufacturing device for casting lead grids for electric battery platesVARTA BATTERIE·Filed 1986·Granted Apr 28, 1992·36 cites·12 claims
- 0689US4744540ACasting mold for manufacturing grid plates for lead batteriesVARTA BATTERIE·Filed 1986·Granted May 17, 1988·30 cites·8 claims
- 0789US4557983AAir/oxygen cellVARTA BATTERIE·Filed 1984·Granted Dec 10, 1985·48 cites·14 claims
- 0889US4504561ALithium peroxide primary elementVARTA BATTERIE·Filed 1980·Granted Mar 12, 1985·51 cites·5 claims
- 0989US4035151APowder-and-gas vibrating reactorVARTA BATTERIE·Filed 1975·Granted Jul 12, 1977·51 cites·5 claims
- 1087US5169736AElectrochemical secondary elementVARTA BATTERIE·Filed 1991·Granted Dec 8, 1992·115 cites·10 claims
- 1187US5021306ASpiral-wound galvanic cellVARTA BATTERIE·Filed 1989·Granted Jun 4, 1991·59 cites·8 claims
- 1286US6025093ALithium ion cellVARTA BATTERIE·Filed 1998·Granted Feb 15, 2000·90 cites·10 claims
- 1386US4054726AGalvanic primary element with air electrodeVARTA BATTERIE·Filed 1976·Granted Oct 18, 1977·42 cites·16 claims
- 1485US4212934APole seal for storage batteriesVARTA BATTERIE·Filed 1978·Granted Jul 15, 1980·43 cites·3 claims
- 1585US3989539ABattery gridVARTA BATTERIE·Filed 1975·Granted Nov 2, 1976·58 cites·6 claims
- 1683US5514488AElectrochemical secondary cellVARTA BATTERIE·Filed 1994·Granted May 7, 1996·62 cites·20 claims
- 1783US4865928AElectric batteryVARTA BATTERIE·Filed 1988·Granted Sep 12, 1989·45 cites·16 claims
- 1883US4547442ALithium battery electrode frameVARTA BATTERIE·Filed 1983·Granted Oct 15, 1985·45 cites·13 claims
- 1983US4263380AGalvanic elementVARTA BATTERIE·Filed 1979·Granted Apr 21, 1981·44 cites·8 claims
- 2082US4405699AManganese dioxide electrode for lithium batteriesVARTA BATTERIE·Filed 1982·Granted Sep 20, 1983·40 cites·6 claims
- 2181US5162176AElectrochemical secondary elementVARTA BATTERIE·Filed 1991·Granted Nov 10, 1992·74 cites·6 claims
- 2281US5158722AProcess for the production of a positive electrode in ribbon form for primary and secondary cellsVARTA BATTERIE·Filed 1991·Granted Oct 27, 1992·41 cites·12 claims
- 2381US4892637APlastic-bound gas diffusion electrode containing a manganese oxide catalyst and process for preparing sameVARTA BATTERIE·Filed 1988·Granted Jan 9, 1990·43 cites·18 claims
- 2480US4952861AProcess for charging maintenance-free lead batteries with a fixed electrolyteVARTA BATTERIE·Filed 1988·Granted Aug 28, 1990·75 cites·27 claims
- 2580US4735629AMethod for producing a double hydroxide active materialVARTA BATTERIE·Filed 1987·Granted Apr 5, 1988·18 cites·7 claims
- 2680US4394280AIon conductive mixed crystalVARTA BATTERIE·Filed 1982·Granted Jul 19, 1983·39 cites·2 claims
- 2780US4135041ADust reduction for electrode platesVARTA BATTERIE·Filed 1978·Granted Jan 16, 1979·34 cites·8 claims
- 2877US6110433AProcess for the recovery of metals from used nickel/metal/rare earth hydride storage batteriesVARTA BATTERIE·Filed 1997·Granted Aug 29, 2000·39 cites·15 claims
- 2977US5538809AAutomatic coupling system for traction batteriesVARTA BATTERIE·Filed 1995·Granted Jul 23, 1996·74 cites·20 claims
- 3075US4632887AGalvanic primary cellVARTA BATTERIE·Filed 1985·Granted Dec 30, 1986·33 cites·14 claims
- 3175US4308493ACharging of alkaline storage batteriesVARTA BATTERIE·Filed 1977·Granted Dec 29, 1981·46 cites·7 claims
- 3275US4245010AExplosion protection for storage batteriesVARTA BATTERIE·Filed 1979·Granted Jan 13, 1981·24 cites·9 claims
- 3375US4049883AGas- and liquid-tight storage batteryVARTA BATTERIE·Filed 1976·Granted Sep 20, 1977·32 cites·5 claims
- 3474US5203455APackage for zinc-air batteriesVARTA BATTERIE·Filed 1992·Granted Apr 20, 1993·61 cites·6 claims
- 3573US5215215AMethod and apparatus for introducing viscous active ingredients into the case of galvanic cellVARTA BATTERIE·Filed 1991·Granted Jun 1, 1993·47 cites·11 claims
- 3673US5128219AGas-tight, sealed metal oxide/hydrogen storage batteryVARTA BATTERIE·Filed 1990·Granted Jul 7, 1992·35 cites·13 claims
- 3773US4448860AGalvanic element with integral getterVARTA BATTERIE·Filed 1982·Granted May 15, 1984·28 cites·7 claims
- 3873US3944432AStorage battery plate and manufacturing process thereforVARTA BATTERIE·Filed 1974·Granted Mar 16, 1976·26 cites·12 claims
- 3971US5858061AProcess for the recovery of metals from used nickel/metal hydride storage batteriesVARTA BATTERIE·Filed 1997·Granted Jan 12, 1999·29 cites·28 claims
- 4071US4215187AGas-tight galvanic cellVARTA BATTERIE·Filed 1978·Granted Jul 29, 1980·24 cites·6 claims
- 4171US4069375AManufacture of galvanic elements having lithium or calcium electrodesVARTA BATTERIE·Filed 1976·Granted Jan 17, 1978·23 cites·12 claims
- 4270US4994333AGalvanic primary cellVARTA BATTERIE·Filed 1989·Granted Feb 19, 1991·31 cites·6 claims
- 4370US4237411ACharge maintenance and continuous charging for storage batteriesVARTA BATTERIE·Filed 1978·Granted Dec 2, 1980·37 cites·7 claims
- 4470US4075368ABattery terminal constructionVARTA BATTERIE·Filed 1976·Granted Feb 21, 1978·22 cites·6 claims
- 4569US6146783AMulti-cell storage batteryVARTA BATTERIE·Filed 1998·Granted Nov 14, 2000·54 cites·24 claims
- 4669US4642600ADevice for indicating the fully charged state of a batteryVARTA BATTERIE·Filed 1985·Granted Feb 10, 1987·32 cites·7 claims
- 4768US6066184AVoltaic cellVARTA BATTERIE·Filed 1997·Granted May 23, 2000·43 cites·12 claims
- 4867US4696875APositive electrode for alkaline storage cellsVARTA BATTERIE·Filed 1986·Granted Sep 29, 1987·11 cites·16 claims
- 4967US4522899AGas and liquid tight pole seal for electric storage batteries, particularly lead storage batteriesVARTA BATTERIE·Filed 1983·Granted Jun 11, 1985·22 cites·7 claims
- 5067US4350610AHydrophobic catalyst for recombinersVARTA BATTERIE·Filed 1981·Granted Sep 21, 1982·20 cites·14 claims
Showing the top 50 of 207 patent records by PatentIndex Score.
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