Inventor · disambiguated record
David Dornfeld
Also filed as: DORNFELD DAVID · DORNFELD DAVID P
5 granted patents·1 pending application·35 citations·filing 2001–2023
74Inventor score
Files withWHELEN ENG6
Top patents by PatentIndex Score
6 records- 0187US10482869B1System and method for noise cancellation in emergency response vehiclesWHELEN ENG·Filed 2019·Granted Nov 19, 2019·10 cites·25 claims
- 0271US12224726B2Volume scaling and synchronization of tonesWHELEN ENG·Filed 2023·Granted Feb 11, 2025·0 cites·8 claims
- 0367US6646548B2Electronic sirenWHELEN ENG·Filed 2001·Granted Nov 11, 2003·24 cites·20 claims
- 0453US2020286460A1System and method for noise cancellation in emergency response vehiclesWHELEN ENG·Filed 2019·Application pending·0 cites
- 0551US11863146B2Volume scaling and synchronization of tonesWHELEN ENG·Filed 2020·Granted Jan 2, 2024·0 cites·20 claims
- 0648US7655875B1Lever switchWHELEN ENG·Filed 2007·Granted Feb 2, 2010·1 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →