Inventor · disambiguated record
Walter Vollenweider
Also filed as: VOLLENWEIDER WALTER
5 granted patents·1 pending application·29 citations·filing 2009–2019
75Inventor score
Technology areasG08B
Top patents by PatentIndex Score
6 records- 0171US8587442B2Smoke alarm with temporal evaluation of a backscatter signal, test method for the functional capability of a smoke alarmLOEPFE MARKUS·Filed 2009·Granted Nov 19, 2013·13 cites·11 claims
- 0269US8994942B2Method for identifying interference object in scatter volume of optical fire detector and optical fire detectorVOLLENWEIDER WALTER·Filed 2012·Granted Mar 31, 2015·6 cites·19 claims
- 0368US8546740B2Evaluation of a difference signal between output signals of two receiving devices in a sensor apparatusVOLLENWEIDER WALTER·Filed 2009·Granted Oct 1, 2013·9 cites·14 claims
- 0456US10573167B2Fire detector with a scattered light arrangementSIEMENS SCHWEIZ AG·Filed 2016·Granted Feb 25, 2020·1 cites·14 claims
- 0549US2011037971A1Smoke detection by way of two spectrally different scattered light measurementsSIEMENS AG·Filed 2009·Application pending·0 cites
- 0647US11869327B2Fire or smoke alarmSIEMENS SCHWEIZ AG·Filed 2019·Granted Jan 9, 2024·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →