Inventor · disambiguated record
Daniel W. O'Brien
Also filed as: O'BRIEN DANIEL · O'BRIEN DANIEL W
8 granted patents·76 citations·filing 1997–2015
86Inventor score
Top patents by PatentIndex Score
8 records- 0178US8797176B1Multi-sensory warning deviceBALDWIN CHRISTOPHER M·Filed 2011·Granted Aug 5, 2014·8 cites·25 claims
- 0277US9030318B1Wireless tandem alarmBALDWIN CHRISTOPHER M·Filed 2013·Granted May 12, 2015·8 cites·22 claims
- 0375US6987445B1Water resistant audible signalMALLORY SONALERT PRODUCTS INC·Filed 2000·Granted Jan 17, 2006·19 cites·10 claims
- 0471US7880593B2Audible signaling deviceMALLORY SONALERT PRODUCTS INC·Filed 2008·Granted Feb 1, 2011·6 cites·6 claims
- 0568US6617967B2Piezoelectric siren driver circuitMALLORY SONALERT PRODUCTS INC·Filed 2001·Granted Sep 9, 2003·20 cites·18 claims
- 0659US9165440B1Multi-sensory warning deviceMALLORY SONALERT PRODUCTS INC·Filed 2014·Granted Oct 20, 2015·1 cites·16 claims
- 0746US9619983B1Wireless tandem alarmMALLORY SONALERT PRODUCTS INC·Filed 2015·Granted Apr 11, 2017·0 cites·26 claims
- 0845US5872506APiezoelectric transducer having directly mounted electrical components and noise making device utilizing sameYOSEMITE INVESTMENT INC·Filed 1997·Granted Feb 16, 1999·14 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →