Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10287995 | System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinder | Allen B. Rayl | 2019-05-14 |
| 10094312 | Method to adjust an oil control valve actuation response time using cylinder valve diagnostics | Allen B. Rayl, Brian K. Kowalczyk | 2018-10-09 |
| 9719439 | System and method for controlling spark timing when cylinders of an engine are deactivated to reduce noise and vibration | Sanjeev M. Naik | 2017-08-01 |
| 9605612 | System and method for determining the speed of an engine when one or more cylinders of the engine are deactivated | — | 2017-03-28 |
| 9567928 | System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinder | Allen B. Rayl | 2017-02-14 |
| 9534550 | Air per cylinder determination systems and methods | Gregory P. Matthews, Zhiping Liu | 2017-01-03 |
| 9482173 | Fuel control systems and methods for cold starts | Kenneth J. Buslepp, Julian R. Verdejo, Bruce F. Hunter | 2016-11-01 |
| 9458779 | Intake runner temperature determination systems and methods | Gregory P. Matthews, Layne K. Wiggins | 2016-10-04 |
| 9376973 | Volumetric efficiency determination systems and methods | Gregory P. Matthews, Layne K. Wiggins | 2016-06-28 |
| 9249749 | System and method for controlling a firing pattern of an engine to reduce vibration when cylinders of the engine are deactivated | — | 2016-02-02 |
| 9169787 | Valve control systems and methods for cylinder deactivation and activation transitions | — | 2015-10-27 |
| 9097196 | Stochastic pre-ignition detection systems and methods | Kenneth J. Buslepp, Julian R. Verdejo, David S. Mathews | 2015-08-04 |
| 9002550 | Use of torque model at virtual engine conditions | Leonard G. Wozniak, Robert C. Simon, Jr., Jeffrey M. Kaiser, Emil Ritzen, Mats A. Reimark +3 more | 2015-04-07 |
| 8839750 | System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems | Craig D. Marriott, Joel Cowgill, Matthew A. Wiles, Kenneth James Patton | 2014-09-23 |
| 8781713 | System and method for controlling a valve of a cylinder in an engine based on fuel delivery to the cylinder | Steven Joseph Swantick | 2014-07-15 |
| 8667954 | Simultaneously firing two cylinders of an even firing camless engine | — | 2014-03-11 |
| 8631688 | System and method for detecting a fault in a pressure sensor that measures pressure in a hydraulic valve actuation system | Allen B. Rayl, Craig D. Marriott | 2014-01-21 |
| 8602002 | System and method for controlling engine knock using electro-hydraulic valve actuation | — | 2013-12-10 |
| 8527120 | Method and apparatus for controlling a powertrain system including an engine and electro-mechanical transmission | Gregory P. Matthews | 2013-09-03 |
| 8443784 | Internal combustion engine and method for control | — | 2013-05-21 |
| 8437927 | System and method for determining engine friction | Robert Douglas Shafto | 2013-05-07 |
| 8301362 | Method and system for generating a diagnostic signal of an engine component using an in-cylinder pressure sensor | Kenneth J. Buslepp, Douglas R. Verner, Joseph R. Dulzo, Jonathan T. Shibata, Joshua D. Cowgill | 2012-10-30 |
| 8265853 | Cylinder pressure measurement system and method | Kenneth J. Buslepp | 2012-09-11 |
| 8042385 | Synchronization diagnostic systems and methods for engine controllers | Jason T. Davis, David S. Mathews, Kevin J. Storch | 2011-10-25 |
| 7519466 | Cam phaser compensation in a hybrid vehicle system | Jeffrey M. Kaiser, Bryan R. Snyder, Gregory J. York, Anne Marie Shields, Leonard G. Wozniak | 2009-04-14 |