Inventor · disambiguated record
Ralf Pfennigwerth
Also filed as: PFENNIGWERTH RALF
3 granted patents·1 citations·filing 2019–2023
46Inventor score
Files withVOLKSWAGEN AG3
Top patents by PatentIndex Score
3 records- 0162US12496920B2Motor vehicle comprising a high-voltage on-board electrical systemVOLKSWAGEN AG·Filed 2023·Granted Dec 16, 2025·0 cites·20 claims
- 0261US12415424B2Method for analyzing the condition of a traction battery, and motor vehicleVOLKSWAGEN AG·Filed 2023·Granted Sep 16, 2025·0 cites·9 claims
- 0356US11180040B2Charging device for electrically charging and discharging a traction battery of an electric car, and charging system for sameVOLKSWAGEN AG·Filed 2019·Granted Nov 23, 2021·1 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →