KD

Kevin P. Duffy

Caterpillar: 31 patents #83 of 8,398Top 1%
EX ExxonMobil: 3 patents #3,051 of 10,161Top 35%
📍 East Peoria, IL: #6 of 393 inventorsTop 2%
🗺 Illinois: #1,912 of 84,256 inventorsTop 3%
Overall (All Time): #119,446 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
8669402 Fuel compositions Paul W. Bessonette, Charles H. Schleyer 2014-03-11
8069835 Internal combustion engine and operating method therefor Carl-Anders Hergart, John T. Vachon 2011-12-06
7661263 Method of operating an internal combustion engine Gerald N. Coleman, James Joshua Driscoll, Dennis L. Endicott, Stephen A. Faulkner, Jonathan Kilkenny +1 more 2010-02-16
7487663 Method for selecting fuel to both optimize the operating range and minimize the exhaust emissions of HCCI engines Rafal A. Sobotowski, Charles H. Schleyer, Michael P. Liechty 2009-02-10
7469181 High load operation in a homogeneous charge compression ignition engine Andrew J. Kieser, Michael P. Liechty, William L. Hardy, Anthony C. Rodman, Carl-Anders Hergart 2008-12-23
7422000 Method of transitioning between operating modes in an internal combustion engine Mary Lou Kesse, Cory A. Brown, Roger Urven 2008-09-09
7380540 Dynamic control of a homogeneous charge compression ignition engine Parag Mehresh, David J. Schuh, Andrew J. Kieser, Carl-Anders Hergart, William L. Hardy +2 more 2008-06-03
7377270 Exhaust gas recirculation in a homogeneous charge compression ignition engine Andrew J. Kieser, Anthony C. Rodman, Michael P. Liechty, Carl-Anders Hergart, William L. Hardy 2008-05-27
7377250 System and method for balancing an engine during cylinder cutout 2008-05-27
7377254 Extending operating range of a homogeneous charge compression ignition engine via cylinder deactivation Carl-Anders Hergart, William L. Hardy, Michael P. Liechty 2008-05-27
RE40144 Method and apparatus for delivering multiple fuel injections to the cylinder of an internal combustion engine Eric C. Fluga, Brian G. McGee, Matthew R. Roth, Gregory G. Hafner 2008-03-11
7252054 Combustion engine including cam phase-shifting James R. Weber, Scott Leman, Gerald N. Coleman, Eric C. Fluga, Jonathan Kilkenny 2007-08-07
7219649 Engine system and method of operating same over multiple engine load ranges Roger Urven, Cory A. Brown, Mary Lou Kesse 2007-05-22
7210640 Fuel injector spray alteration through a moveable tip sleeve John M. Clarke, Ronald P. Maloney, Devin C. Tornow 2007-05-01
7201137 Mixed mode control method and engine using same Mary Lou Kesse 2007-04-10
7201121 Combustion engine including fluidically-driven engine valve actuator James R. Weber, Scott Leman, Gerald N. Coleman, Eric C. Fluga, Jonathan Kilkenny +1 more 2007-04-10
7198024 Low emissions compression ignited engine technology Gerald N. Coleman, Jonathan Kilkenny, Eric C. Fluga 2007-04-03
7191743 Air and fuel supply system for a combustion engine James R. Weber, Scott Leman, Gerald N. Coleman, Eric C. Fluga, Jonathan Kilkenny +1 more 2007-03-20
7178492 Air and fuel supply system for combustion engine Gerald N. Coleman, Stephen A. Faulkner, Eric C. Fluga, Jonathan Kilkenny, Scott Leman +3 more 2007-02-20
7131402 Method for controlling exhaust emissions from direct injection homogeneous charge compression ignition engines Rafal A. Sobotowski, Charles H. Schleyer, Kenneth D. Erdman 2006-11-07
6948482 Engine cylinder temperature control Jonathan Kilkenny 2005-09-27
6845747 Method of utilizing multiple fuel injections to reduce engine emissions at idle Jason J. Rasmussen, Kurtis M. Best, Matthew R. Roth 2005-01-25
6843231 Cylinder to cylinder balancing using intake valve actuation Andrew J. Kieser, Jonathan Kilkenny 2005-01-18
6691671 Method and apparatus for delivering multiple fuel injections to the cylinder of an internal combustion engine Eric C. Fluga, Gregory G. Hafner, Brian G. McGee, Matthew R. Roth 2004-02-17
6651618 Air and fuel supply system for combustion engine Gerald N. Coleman, Stephen A. Faulkner, Eric C. Fluga, Jonathan Kilkenny, Scott Leman +3 more 2003-11-25