Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8571785 | Universal tracking air-fuel regulator for internal combustion engines | Sai S. V. Rajagopalan, Sharon Liu, Stephen Yurkovich, Shawn W. Midlam-Mohler, Yann G. Guezennec +1 more | 2013-10-29 |
| 8347866 | Fuel control system and method for more accurate response to feedback from an exhaust system with an air/fuel equivalence ratio offset | Jason Meyer, Shawn W. Midlam-Mohler, Stephen Yurkovich, Yann G. Guezennec | 2013-01-08 |
| 8346458 | Compensating for random catalyst behavior | Shawn W. Midlam-Mohler, Sai S. V. Rajagopalan, Stephen Yurkovich, Yann G. Guezennec | 2013-01-01 |
| 8265858 | Delay calibration systems and methods | Jason Meyer, Shawn W. Midlam-Mohler, Stephen Yurkovich, Yann G. Guezennec | 2012-09-11 |
| 8224557 | Control systems and methods using geometry based exhaust mixing model | Sai S. V. Rajagopalan, Jason Meyer, Shawn W. Midlam-Mohler, Stephen Yurkovich, Yann G. Guezennec | 2012-07-17 |
| 8186336 | Fuel control system and method for improved response to feedback from an exhaust system | Jason Meyer, Shawn W. Midlam-Mohler, Stephen Yurkovich, Yann G. Guezennec | 2012-05-29 |
| 8113187 | Delay compensation systems and methods | Jason Meyer, Shawn W. Midlam-Mohler, Stephen Yurkovich, Yann G. Guezennec | 2012-02-14 |
| 8096271 | System and method for determining a camshaft position in a variable valve timing engine | Yiran Hu, Shawn W. Midlam-Mohler, Yann G. Guezennec, Stephen Yurkovich, Layne K. Wiggins | 2012-01-17 |
| 7937209 | Air fuel ratio control system for internal combustion engines | Sai S. V. Rajagopalan, Stephen Yurkovich, Yann G. Guezennec, Shawn W. Midlam-Mohler, Louis A. Avallone +1 more | 2011-05-03 |
| 7925421 | Off-line calibration of universal tracking air fuel ratio regulators | Sharon Liu, Sai S. V. Rajagopalan, Stephen Yurkovich, Yiran Hu, Yann G. Guezennec +1 more | 2011-04-12 |
| 7809490 | Phase and frequency error based asymmetrical AFR pulse reference tracking algorithm using the pre-catalyst O2 sensor switching output | Sharon Liu, Robert Douglas Shafto | 2010-10-05 |
| 7793641 | Model-based fuel control for engine start and crank-to-run transition | Qi Ma, Stephen Yurkovich, Stephen Fulcher, Robert X. Monchamp, Jon C. Miller | 2010-09-14 |
| 7647162 | Utilized function for fuel dynamics during engine start and crank-to-run transition | Qi Ma, Stephen Yurkovich, Stephen Fulcher, Robert X. Monchamp | 2010-01-12 |
| 7552007 | Calibration systems and methods for scheduled linear control algorithms in internal combustion engine control systems using genetic algorithms, penalty functions, weighting, and embedding | — | 2009-06-23 |
| 7472013 | System and method for estimating volumetric efficiency for engines with intake and exhaust cam phasers | Layne K. Wiggins, Jason Meyer, Yann G. Guezennec | 2008-12-30 |
| 7302937 | Calibration of model-based fuel control for engine start and crank to run transition | Qi Ma, Stephen Yurkovich, Stephen Fulcher, Jon C. Miller | 2007-12-04 |
| 7246004 | Nonlinear fuel dynamics control with lost fuel compensation | Ronald A. Davis, Layne K. Wiggins, Lee C. Walker | 2007-07-17 |
| 7212915 | Application of linear splines to internal combustion engine control | — | 2007-05-01 |
| 7204236 | Calibration of model-based fuel control with fuel dynamics compensation for engine start and crank to run transition | Qi Ma, Stephen Yurkovich, Stephen Fulcher | 2007-04-17 |
| 7010413 | Cylinder mass air flow prediction model | Layne K. Wiggins | 2006-03-07 |
| 6990856 | Method and apparatus for determining mass of engine intake air with reversion compensation | David Dempsey | 2006-01-31 |
| 6827069 | Detection of fuel dynamical steady state | Ronald A. Davis | 2004-12-07 |
| 6564127 | Data collection via a wireless communication system | Paul A. Bauerle | 2003-05-13 |
| 5465617 | Internal combustion engine control | Gregory P. Matthews, Charles H. Folkerts, Ronald A. Davis | 1995-11-14 |
| 5423208 | Air dynamics state characterization | Gregory P. Matthews, Charles H. Folkerts, Ronald A. Davis | 1995-06-13 |