Inventor · disambiguated record
Stefan Ehrhardt
Also filed as: EHRHARDT STEFAN
3 granted patents·5 citations·filing 2013–2021
57Inventor score
Top patents by PatentIndex Score
3 records- 0183US11897010B2Heatable high pressure cleaning applianceKAERCHER ALFRED SE & CO KG·Filed 2021·Granted Feb 13, 2024·1 cites·33 claims
- 0268US9841244B2Heat exchanger and method for its manufactureKAERCHER GMBH & CO KG ALFRED·Filed 2013·Granted Dec 12, 2017·3 cites·16 claims
- 0366US10293383B2Mobile high-pressure cleaning apparatusKAERCHER GMBH & CO KG ALFRED·Filed 2017·Granted May 21, 2019·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →