Inventor · disambiguated record
Helmut Hewelt
Also filed as: HEWELT HELMUT
3 granted patents·1 pending application·99 citations·filing 1992–2003
74Inventor score
Technology areasB65D
Top patents by PatentIndex Score
4 records- 0175US6889840B2Sale and storage packaging for zinc-air cellsVARTA MICROBATTERY GMBH·Filed 2002·Granted May 10, 2005·33 cites·17 claims
- 0274US5203455APackage for zinc-air batteriesVARTA BATTERIE·Filed 1992·Granted Apr 20, 1993·61 cites·6 claims
- 0350US6953117B2Sales packaging for electric storage batteriesVARTA MICROBATTERY GMBH·Filed 2003·Granted Oct 11, 2005·5 cites·8 claims
- 0438US2003183552A1Packaging for button cellsVARTA MICROBATTERY GMBH A CORP·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →