Inventor · disambiguated record
Hans-Joachim Gronau
Also filed as: GRONAU HANS-JOACHIM
4 granted patents·0 citations·filing 2015–2017
52Inventor score
Technology areasB61C
Top patents by PatentIndex Score
4 records- 0139US11273672B2Metering device for a sand-spreading system of a rail vehicleSiemens Mobility GmbH·Filed 2017·Granted Mar 15, 2022·0 cites·12 claims
- 0238US11447158B2Sand stairway for a sand-spreading system of a rail vehicle, sand-spreading system and rail vehicleSiemens Mobility GmbH·Filed 2017·Granted Sep 20, 2022·0 cites·10 claims
- 0336US11492022B2Sand spreading system and rail vehicle with such a sand spreading systemSIEMENS AG·Filed 2017·Granted Nov 8, 2022·0 cites·8 claims
- 0420USD779377SSand discharge pipe for rail vehiclesSIEMENS AG·Filed 2015·Granted Feb 21, 2017·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →