Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11624336 | Methods and system for estimating a temperature of an after treatment device during reactivation of an exhaust after treatment device | Michiel J. Van Nieuwstadt, Allen Lehmen, Daniel Buckrop, Marcus William Fried, Ethan D. Sanborn | 2023-04-11 |
| 11313303 | Oxygen sensor adaptive impedance control | William Russell Goodwin, Scott Eckstein Brodesser, John Joseph Virga | 2022-04-26 |
| 11274615 | Methods and system for estimating a temperature of an after treatment device | Allen Lehmen, Michiel J. Van Nieuwstadt, Daniel Buckrop, Ethan D. Sanborn, Marcus William Fried | 2022-03-15 |
| 11131261 | Method and system for compensating engine blow-through air | Douglas Toms, Paul Mahlon Ranspach, Stephen William Magner, Zena Yanqing Yee | 2021-09-28 |
| 11125176 | Methods and system for determining engine air-fuel ratio imbalance | Michael Igor Kluzner, Robert Roy Jentz, Christopher R. Weber, Andrew P. Bagnasco | 2021-09-21 |
| 10487764 | Method and system for controlling an oxygen sensor | Zena Yanqing Yee, Gladys Galicia | 2019-11-26 |
| 10337436 | Exhaust gas sensor controls adaptation for asymmetric type sensor degradation | Hassene Jammoussi, Imad Hassan Makki, Gladys Galicia, Zena Yanqing Yee | 2019-07-02 |
| 10018143 | Methods and system for engine control | Adithya Pravarun Re Ranga, Gopichandra Surnilla, Joseph Lyle Thomas, Ethan D. Sanborn, Mark Thomas Linenberg +1 more | 2018-07-10 |
| 10018144 | Methods and system for engine control | Adithya Pravarun Re Ranga, Gopichandra Surnilla, Joseph Lyle Thomas, Ethan D. Sanborn, Mark Thomas Linenberg | 2018-07-10 |
| 9863353 | Methods and systems for estimating an air-fuel ratio with a variable voltage oxygen sensor | Daniel A. Makled, Gopichandra Surnilla, Richard E. Soltis | 2018-01-09 |
| 9677491 | Exhaust gas sensor diagnosis and controls adaptation | Hassene Jammoussi, Imad Hassan Makki, Mark Thomas Linenberg, Gladys G. Soriano | 2017-06-13 |
| 9611799 | Methods and systems for estimating an air-fuel ratio with a variable voltage oxygen sensor | Daniel A. Makled, Gopichandra Surnilla, Richard E. Soltis | 2017-04-04 |
| 9447744 | Fuel shift monitor | Hassene Jammoussi, Imad Hassan Makki, Michael James Uhrich, Michael Casedy | 2016-09-20 |
| 8731806 | Fuel alcohol content detection via an exhaust gas sensor | Richard E. Soltis, Gopichandra Surnilla, Carolyn Parks Hubbard, Timothy Joseph Clark | 2014-05-20 |
| 8495996 | Fuel alcohol content detection via an exhaust gas sensor | Richard E. Soltis, Gopichandra Surnilla, Carolyn Parks Hubbard, Timothy Joseph Clark | 2013-07-30 |
| 7481915 | Exhaust gas temperature measurement utilizing an exhaust gas sensor | Christopher Kirk Davey, David Robert Nader, Michael Igor Kluzner, Michael James Uhrich, Robert Joseph Jerger | 2009-01-27 |
| 6945033 | Catalyst preconditioning method and system | Brent Edward Sealy, Donald J. Lewis, Thomas Raymond Culbertson | 2005-09-20 |
| 6722122 | Method for selecting a cylinder group when changing an engine operational parameter | Brent Edward Sealy, Richard A. Booth | 2004-04-20 |
| 6553756 | Method for selecting a cylinder group when changing an engine operational parameter | Brent Edward Sealy, Richard A. Booth | 2003-04-29 |
| 6553982 | Method for controlling the phase difference of air/fuel ratio oscillations in an engine | Richard A. Booth, Brent Edward Sealy | 2003-04-29 |
| 6550466 | Method for controlling the frequency of air/fuel ratio oscillations in an engine | Brent Edward Sealy, Jeffrey Allen Doering, Richard A. Booth | 2003-04-22 |
| 6497228 | Method for selecting a cylinder group when adjusting a frequency of air/fuel ratio oscillations | Richard A. Booth, Brent Edward Sealy | 2002-12-24 |
| 6467254 | Diagnostic system for detecting catalyst failure using switch ratio | Michael John Cullen, Brent Edward Sealy, Richard A. Booth | 2002-10-22 |
| 6425242 | Diagnostic system for monitoring catalyst operation using arc length ratio | Richard A. Booth, Brent Edward Sealy, Michael John Cullen | 2002-07-30 |
| 6354077 | Method and system for controlling air/fuel level in two-bank exhaust system | Brent Edward Sealy, Richard A. Booth | 2002-03-12 |