Inventor · disambiguated record
Joel F. Downey
Also filed as: DOWNEY JOEL F · DOWNEY JOEL FRANKLIN
12 granted patents·2 pending applications·240 citations·filing 1987–2005
92Inventor score
Top patents by PatentIndex Score
14 records- 0183US6531895B1Isolated gate drive circuit having a switched input capacitorDELPHI TECH INC·Filed 2002·Granted Mar 11, 2003·29 cites·5 claims
- 0279US6359439B1Compression sense ignition system with fault mode detection and having improved capacitive sensingDELPHI TECH INC·Filed 2000·Granted Mar 19, 2002·23 cites·24 claims
- 0375US6256215B1Multiple output bootstrapped gate drive circuitDELPHI TECH INC·Filed 2000·Granted Jul 3, 2001·35 cites·5 claims
- 0474US6760212B2Piezoelectric injector drive circuitDELPHI TECH INC·Filed 2003·Granted Jul 6, 2004·20 cites·41 claims
- 0574US6754988B1Insect containment trap having disposable capture vessel and joining mechanismFiled 2003·Granted Jun 29, 2004·25 cites·8 claims
- 0673US4829200ALogic circuits utilizing a composite junction transistor-MOSFET deviceDELCO ELECTRONICS CORP·Filed 1987·Granted May 9, 1989·21 cites·13 claims
- 0770US6362435B1Multi-layer conductor pad for reducing solder voidingDELPHI TECH INC·Filed 1999·Granted Mar 26, 2002·38 cites·17 claims
- 0859US5692484ASynchronization circuit for a coil-per-plug ignition systemDELCO ELECTRONICS CORP·Filed 1996·Granted Dec 2, 1997·15 cites·4 claims
- 0955US5812429AAdaptive digital filter for automotive applicationsDELCO ELECTRONICS CORP·Filed 1996·Granted Sep 22, 1998·18 cites·3 claims
- 1054US5410253AMethod of indicating combustion in an internal combustion engineDELCO ELECTRONICS CORP·Filed 1993·Granted Apr 25, 1995·10 cites·7 claims
- 1135US2004216303A1Thick film current sensing resistor and methodFiled 2003·Application pending·0 cites
- 1234US2006152865A1Circuit for protecting a transistor from an open secondary ignition coilNAIR BALAKRISHNAN V·Filed 2005·Application pending·0 cites
- 1333US6150041AThick-film circuits and metallization processDELPHI TECH INC·Filed 1999·Granted Nov 21, 2000·4 cites·20 claims
- 1430US5561379ARemote planar capacitive sensor apparatus for a direct ignition systemDELCO ELECTRONICS CORP·Filed 1994·Granted Oct 1, 1996·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →