Inventor · disambiguated record
Helmke Kalkmann
Also filed as: KALKMANN HELMKE
3 granted patents·3 citations·filing 2018–2022
58Inventor score
Technology areasA01M
Top patents by PatentIndex Score
3 records- 0182US11759805B2Active substance supply system for an agricultural sprayerAMAZONEN WERKE H DREYER SE & CO KG·Filed 2022·Granted Sep 19, 2023·1 cites·19 claims
- 0275US11504728B2Active substance supply system for an agricultural sprayerAMAZONEN WERKE DREYER H·Filed 2018·Granted Nov 22, 2022·2 cites·20 claims
- 0370US11759806B2Active substance supply system for an agricultural sprayerAMAZONEN WERKE H DREYER SE & CO KG·Filed 2022·Granted Sep 19, 2023·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →