Inventor · disambiguated record
Erwin Grassl
Also filed as: GRASSL ERWIN
9 granted patents·200 citations·filing 1980–2007
89Inventor score
Top patents by PatentIndex Score
9 records- 0196US7019241B2Energy-autonomous electromechanical wireless switchENOCEAN GMBH·Filed 2005·Granted Mar 28, 2006·83 cites·13 claims
- 0283US8067690B2Module receptacleANDERS ARMIN·Filed 2007·Granted Nov 29, 2011·16 cites·14 claims
- 0372US4717817AChip card readerSIEMENS AG·Filed 1985·Granted Jan 5, 1988·40 cites·5 claims
- 0467US4318587AElectrically actuated switch for light waveguidesSIEMENS AG·Filed 1980·Granted Mar 9, 1982·23 cites·4 claims
- 0560US4634810AStation for the accommodation of a chargeable cordless telephoneSIEMENS AG·Filed 1984·Granted Jan 6, 1987·26 cites·6 claims
- 0637US4731836ATelephone set for table-top and wall operationSIEMENS AG·Filed 1987·Granted Mar 15, 1988·5 cites·5 claims
- 0730US4839921ATelephone station comprising an optical display deviceSIEMENS AG·Filed 1987·Granted Jun 13, 1989·2 cites·5 claims
- 0830US4794242AChip card readerSIEMENS AG·Filed 1987·Granted Dec 27, 1988·4 cites·1 claims
- 0928US4810066ACover for telecommunications equipmentSIEMENS AG·Filed 1987·Granted Mar 7, 1989·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →