Inventor · disambiguated record
Ralf Ledda
Also filed as: LEDDA RALF
2 granted patents·2 pending applications·57 citations·filing 2002–2011
64Inventor score
Technology areasA61G
Top patents by PatentIndex Score
4 records- 0178US7100716B2Modular wheel chairALBER ULRICH GMBH·Filed 2002·Granted Sep 5, 2006·49 cites·16 claims
- 0266US8641070B2Drive assistance device, wheelchair and method for determination of the physical efficiency and muscular effort data of a wheelchair driverBIRMANNS THOMAS·Filed 2011·Granted Feb 4, 2014·8 cites·22 claims
- 0342US2007062743A1Modular wheel chairENGELS BERND·Filed 2006·Application pending·0 cites
- 0434US2012067662A1Drive assistance device, wheelchair and method for determination of the manual driving force of a wheelchair driverBIRMANNS THOMAS·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →