Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7374600 | System and method for excluding false back pressure faults after installation of a particulate trap filter | Dennis M. Letang | 2008-05-20 |
| 7298249 | System and method for displaying engine fault conditions in a vehicle | Tomislav I. Golub, Leopold Super | 2007-11-20 |
| RE39845 | Maintenance alert system for heavy-duty trucks | David Lawrence Hasfjord, Dennis M. Letang, James A. Gray, Donald M. McDonald, Marleen F. Thompson +2 more | 2007-09-18 |
| 7146959 | Battery voltage threshold adjustment for automatic start and stop system | Marleen F. Thompson, Thomas Diefenbaker, John Longnecker, Tomislav I. Golub | 2006-12-12 |
| 7036477 | Engine run time change for battery charging issues with automatic restart system | Marleen F. Thompson, Thomas Diefenbaker, Tomislav I. Golub | 2006-05-02 |
| 7003395 | Automatic thermostat mode time limit for automatic start and stop engine control | Marleen F. Thompson, Thomas Diefenbaker, Tomislav I. Golub | 2006-02-21 |
| 6941219 | Method for recreating valid calibration data for an engine control module | Dennis M. Letang, Leopold Super | 2005-09-06 |
| 6941245 | Method and system for controlling engine temperature by engine derating | John Longnecker, Leopold Super, Brian Lewallen | 2005-09-06 |
| 6925804 | Method for responding to sensor failures on EGR/VGT engines | John Longnecker, Leopold Super | 2005-08-09 |
| 6920386 | Method and system for indirectly estimating ambient air temperature | Leopold Super, John Longnecker | 2005-07-19 |
| 6904352 | Method of estimating engine cooling fan power losses | Jeffery S. Hawkins, Leopold Super | 2005-06-07 |
| 6886336 | Method for controlling condensate formation in an engine system | Leopold Super, John Longnecker | 2005-05-03 |
| 6880497 | System and method for controlling fan activation based on intake manifold air temperature and time in an EGR system | Leopold Super | 2005-04-19 |
| 6814053 | Method and apparatus for limiting engine operation in a programmable range | Jeffery S. Hawkins, Kurt J. Couture, Ian Daniel McKenzie | 2004-11-09 |
| 6708104 | Engine control based on exhaust back pressure | Matthew T. Baird, Brian Lewallen, Tomislav I. Golub, Peter Zagone | 2004-03-16 |
| 6671608 | Vehicle clock tampering detector | Ian Daniel McKenzie, Stephen Karl Flammersfeld | 2003-12-30 |
| 6640469 | Snow blower vehicle and method for improving snow blower vehicle performance | Ian Daniel McKenzie, Jeffery S. Hawkins, David Brunette | 2003-11-04 |
| 6595180 | Idle shutdown override with defeat protection | Marleen F. Thompson, Ian Daniel McKenzie | 2003-07-22 |
| 6587767 | Maintenance alert system for heavy-duty trucks | Dennis M. Letang | 2003-07-01 |
| 6422219 | Electronic controlled engine exhaust treatment system to reduce NOx emissions | Craig L. Savonen, Phillip F. Rimnac | 2002-07-23 |
| 6371081 | Inhibit engine speed governor | Jeffery S. Hawkins, Donald M. McDonald | 2002-04-16 |
| 6363906 | Idle shutdown override with defeat protection | Marleen F. Thompson, Ian Daniel McKenzie | 2002-04-02 |
| 6351703 | Engine control with programmable automatic starting | — | 2002-02-26 |
| 6349250 | Clear historic data from a vehicle data recorder | David Lloyd Hart | 2002-02-19 |
| 6347272 | Vehicle passing speed timer | Stephen Karl Flammersfeld, Ian Daniel McKenzie | 2002-02-12 |