Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40144 | Method and apparatus for delivering multiple fuel injections to the cylinder of an internal combustion engine | Kevin P. Duffy, Eric C. Fluga, Matthew R. Roth, Gregory G. Hafner | 2008-03-11 |
| 7051699 | Split mode operation for fuel injection systems | John P. Timmons | 2006-05-30 |
| 6863056 | Method and apparatus for trimming an internal combustion engine | Gregory G. Hafner | 2005-03-08 |
| 6843221 | Reduced emissions fuel injection control strategy | John P. Timmons, Mark E. Rettig | 2005-01-18 |
| 6837212 | Fuel allocation at idle or light engine load | Jason K. Bloms, David A. Pierpont, Jeffrey Smith | 2005-01-04 |
| 6705277 | Method and apparatus for delivering multiple fuel injections to the cylinder of an engine wherein the pilot fuel injection occurs during the intake stroke | — | 2004-03-16 |
| 6705278 | Fuel injector with main shot and variable anchor delay | Matthew R. Roth, Jason J. Rasmussen | 2004-03-16 |
| 6691671 | Method and apparatus for delivering multiple fuel injections to the cylinder of an internal combustion engine | Kevin P. Duffy, Eric C. Fluga, Gregory G. Hafner, Matthew R. Roth | 2004-02-17 |
| 6606974 | Partitioning of a governor fuel output into three separate fuel quantities in a stable manner | Kevin P. Duffy | 2003-08-19 |
| 6536209 | Post injections during cold operation | Eric C. Fluga, Kent A. Koshkarian | 2003-03-25 |
| 6516773 | Method and apparatus for adjusting the injection current duration of each fuel shot in a multiple fuel injection event to compensate for inherent injector delay | Charles H. Dutart | 2003-02-11 |
| 6491018 | Method and apparatus for delivering multiple fuel injections to the cylinder of an internal combustion engine | Kevin P. Duffy, Eric C. Fluga, Gregory G. Hafner, Matthew R. Roth | 2002-12-10 |
| 6480781 | Method and apparatus for trimming an internal combustion engine | Gregory G. Hafner | 2002-11-12 |
| 6470849 | Separate injector main timing maps for use with and without pilot | Kevin P. Duffy, Matthew R. Roth, Jason J. Rasmussen | 2002-10-29 |
| 6467452 | Method and apparatus for delivering multiple fuel injections to the cylinder of an internal combustion engine | Kevin P. Duffy, Eric C. Fluga, Gregory G. Hafner, Matthew R. Roth | 2002-10-22 |
| 6453874 | Apparatus and method for controlling fuel injection signals during engine acceleration and deceleration | Kevin P. Duffy, Matthew R. Roth | 2002-09-24 |
| 6450149 | Method and apparatus for controlling overlap of two fuel shots in multi-shot fuel injection events | — | 2002-09-17 |
| 6415762 | Accurate deliver of total fuel when two injection events are closely coupled | Gregory G. Hafner | 2002-07-09 |
| 6390082 | Method and apparatus for controlling the current level of a fuel injector signal during sudden acceleration | Kevin P. Duffy, Gregory G. Hafner, Matthew R. Roth | 2002-05-21 |
| 6386176 | Method and apparatus for determining a start angle for a fuel injection associated with a fuel injection signal | — | 2002-05-14 |
| 6371077 | Waveform transitioning method and apparatus for multi-shot fuel systems | — | 2002-04-16 |
| 6363315 | Apparatus and method for protecting engine electronic circuitry from thermal damage | William J. Love | 2002-03-26 |
| 6363314 | Method and apparatus for trimming a fuel injector | Gregory G. Hafner | 2002-03-26 |
| 6317458 | Fault detection for a pulse width modulation driver | Brian Lee Boggs, Paul C. Gottshall, Steven O. Hart | 2001-11-13 |
| 6147848 | Pulse width modulation driver having programmable current control | Brian Lee Boggs, Paul C. Gottshall, Steven O. Hart | 2000-11-14 |