Inventor · disambiguated record
David C. Petruska
Also filed as: PETRUSKA DAVID C
9 granted patents·1 pending application·61 citations·filing 2001–2022
85Inventor score
Top patents by PatentIndex Score
10 records- 0193US9476347B2Controlled spark ignited flame kernel flow in fuel-fed prechambersCHIERA DOMENICO·Filed 2012·Granted Oct 25, 2016·15 cites·36 claims
- 0280US8931457B2Multiplexing drive circuit for an AC ignition system with current mode control and fault tolerance detectionPETRUSKA DAVID C·Filed 2011·Granted Jan 13, 2015·7 cites·28 claims
- 0377US6670777B1Ignition system and methodWOODWARD GOVERNOR CO·Filed 2002·Granted Dec 30, 2003·18 cites·34 claims
- 0475US8276564B2Multiplexing drive circuit for an AC ignition systemPETRUSKA DAVID C·Filed 2009·Granted Oct 2, 2012·8 cites·34 claims
- 0566US10995726B2Current profile optimizationWOODWARD INC·Filed 2018·Granted May 4, 2021·1 cites·33 claims
- 0665US12116967B2Measuring a spark of a spark plugWOODWARD INC·Filed 2022·Granted Oct 15, 2024·0 cites·21 claims
- 0763US6738239B2Active snubber circuit for electrical rotary actuatorWOODWARD GOVERNOR CO·Filed 2001·Granted May 18, 2004·12 cites·18 claims
- 0861US10907532B2Controlled spark ignited flame kernel flow in fuel-fed prechambersWOODWARD INC·Filed 2016·Granted Feb 2, 2021·0 cites·26 claims
- 0937US8461844B2Self charging ion sensing coilPETRUSKA DAVID C·Filed 2010·Granted Jun 11, 2013·0 cites·22 claims
- 1034US2002118497A1Reverse voltage protection for motor driveWOODWARD GOVERNOR CO·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →