Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10436140 | Method of cam phase control based on cylinder wall temperature | David N. Hayden, Christopher E. Whitney | 2019-10-08 |
| 10287994 | Electronic throttle control using model predictive control | Bin Xu, Gionata Cimini | 2019-05-14 |
| 10273900 | Method to determine reference airflow actuator positions for a gasoline engine | Christopher E. Whitney, David N. Hayden, Gary Robert Cygan, Jr. | 2019-04-30 |
| 10190481 | Minimum power consumption for cool down diagnostic based on cylinder deactivation | Eric E. Klauser, John W. Siekkinen | 2019-01-29 |
| 10167746 | Method of controlling camshaft phase based on humidity | Christopher E. Whitney, David N. Hayden, Nicola Pisu | 2019-01-01 |
| 10151251 | Method and controller for engine torque control in a vehicle during a default throttle condition | Damon Grimwood, James L. Worthing | 2018-12-11 |
| 10152834 | Combustion engine airflow management systems and methods | Chaitanya Sankavaram, Shiming Duan, Layne K. Wiggins, Dean G. Sorrell, Todar Kuzmanov | 2018-12-11 |
| 10001073 | Systems and methods for multiple catalyst light off events during drive cycle | J. Michael Gwidt, Robert E. Heger, Robert J. Genslak, Edward Stuteville | 2018-06-19 |
| 9932909 | Method of engine cam control for cabin heating | David N. Hayden, Pulasti Bandara, Christopher E. Whitney | 2018-04-03 |
| 9657630 | Diagnostic systems and methods for selective catalytic reduction (SCR) systems based on NOx sensor feedback | James M. Perrin | 2017-05-23 |
| 9453472 | System and method for diagnosing a fault in an oxygen sensor based on ambient temperature | Scott Jeffrey | 2016-09-27 |
| 9297843 | Fault diagnostic systems and methods using oxygen sensor impedance | Bradley Gibson, Eric M. Hall, John W. Siekkinen | 2016-03-29 |
| 9234447 | System and method for determining selective catalytic reduction dosing system performance using an ammonia sensor | James M. Perrin | 2016-01-12 |
| 9228482 | System and method for diagnosing a fault in a switchable water pump for an engine based on a change in crankshaft speed | — | 2016-01-05 |
| 9181844 | Diagnostic system and method for an oxygen sensor positioned downstream from a catalytic converter | Michael John Dokter, John W. Siekkinen, Jeffry A. Helmick | 2015-11-10 |
| 9146177 | System and method for diagnosing a fault in an oxygen sensor based on engine speed | Thomas J. Majcher, Scott Jeffrey, John W. Siekkinen | 2015-09-29 |
| 9133750 | Method and system for verifying the operation of an SCR catalyst | Cheryl J. Stark, Scott R. Gordon, Yue Wang | 2015-09-15 |
| 9103267 | Low coolant temperature fault diagnostic systems and methods | John W. Siekkinen, Nicholas Sup, Eric E. Klauser | 2015-08-11 |
| 9096210 | Coordination of fuel cutoff for fault detection and hybrid operation | Christopher E. Whitney, Anthony H. Heap, John W. Siekkinen, Michael John Dokter | 2015-08-04 |
| 9086026 | System and method for controlling torque output of an engine when a water pump coupled to the engine is switched on or off | Christopher H. Knieper | 2015-07-21 |
| 9057338 | Exhaust gas oxygen sensor fault detection systems and methods using fuel vapor purge rate | Paul William Rasmussen | 2015-06-16 |
| 8939010 | System and method for diagnosing faults in an oxygen sensor | Thomas J. Majcher, John W. Siekkinen, Michael John Dokter, Scott Jeffrey | 2015-01-27 |
| 8915062 | Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system | Yue Wang, Charles E. Solbrig | 2014-12-23 |
| 8910466 | Exhaust aftertreatment system with diagnostic delay | Janean E. Kowalkowski, James M. Perrin, John Coppola | 2014-12-16 |
| 8869513 | Exhaust diagnostic control system and method with NH3 depletion cleansing | Justin Adam Shetney | 2014-10-28 |