JD

Joel F. Downey

Delphi Technologies: 6 patents #520 of 4,124Top 15%
DE Delco Electronics: 5 patents #59 of 908Top 7%
Overall (All Time): #426,965 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6760212 Piezoelectric injector drive circuit Gordon D. Cheever, Jr., Nigel P. Baker, Steven J. Martin, Joseph A. Engel 2004-07-06
6754988 Insect containment trap having disposable capture vessel and joining mechanism 2004-06-29
6531895 Isolated gate drive circuit having a switched input capacitor Alfred H. Barrett, Richard F. Rouser 2003-03-11
6362435 Multi-layer conductor pad for reducing solder voiding John K. Isenberg 2002-03-26
6359439 Compression sense ignition system with fault mode detection and having improved capacitive sensing David Crecelius, Gerard Darryl Nichols, Royland Anthony Walker, Steven Mark Bezdek 2002-03-19
6256215 Multiple output bootstrapped gate drive circuit Alfred H. Barrett, Richard F. Rouser 2001-07-03
6150041 Thick-film circuits and metallization process Frans Lautzenhiser, Marion Edmond Ellis 2000-11-21
5812429 Adaptive digital filter for automotive applications Larry Andrew Kunk 1998-09-22
5692484 Synchronization circuit for a coil-per-plug ignition system 1997-12-02
5561379 Remote planar capacitive sensor apparatus for a direct ignition system 1996-10-01
5410253 Method of indicating combustion in an internal combustion engine Rodger B. Evans, Robert Mince, Carlton T. Davis, Daniel H. Hopper, Mark A. Laubenstein 1995-04-25
4829200 Logic circuits utilizing a composite junction transistor-MOSFET device 1989-05-09