Assignee
VOLLENWEIDER WALTER
CH·2 granted patents·15 citations·filing 2009–2012
Top patents by PatentIndex Score
2 records- 0169US8994942B2Method 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
- 0268US8546740B2Evaluation 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
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