Issued Patents All Time
Showing 25 most recent of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697926 | Sensor material and gas sensor element and gas sensor derived therefrom | David M. Racine, Sheng Yao | 2020-06-30 |
| 10634641 | Combination NOx and Oxygen sensor with common gas chamber | David M. Racine, Sheng Yao | 2020-04-28 |
| 10267761 | Material for sensing electrode of NOX gas sensor | David M. Racine, Yao SHENG, Alfredo Ibarra Covarrubias | 2019-04-23 |
| 9863907 | Electrochemical detection system and method of operation | David M. Racine, Sheng Yao | 2018-01-09 |
| 9823216 | Sensor material and gas sensor element and gas sensor derived therefrom | David M. Racine, Sheng Yao | 2017-11-21 |
| 9778219 | Electrochemical detection system and method of operation | David M. Racine, Sheng Yao | 2017-10-03 |
| 9097192 | Method and apparatus for identifying gas sensor faults | David M. Racine, David D. Cabush | 2015-08-04 |
| 8658013 | Sensor and sensing method | Walter T. Symons, Robert Farhat, John Kirwan, Joachim Kupe, Kenneth D. Mowery | 2014-02-25 |
| 8626451 | Method and device for characterization and sensing of exhaust gas and control of engines and components for aftertreatment of exhaust gases | David M. Racine, David D. Cabush | 2014-01-07 |
| 8257576 | Ammonia gas sensors with lanthanide vanadate sensing electrode | — | 2012-09-04 |
| 8257575 | Ammonia gas sensors with vanadium-based sensing electrode | — | 2012-09-04 |
| 8103458 | Exhaust gas sensing system and method for determining concentrations of exhaust gas constituents | Sheng Yao, David D. Cabush, Walter T. Symons, Robert Farhat | 2012-01-24 |
| 8051700 | Exhaust gas sensor and method for determining concentrations of exhaust gas constituents | Walter T. Symons, Robert Farhat, Sheng Yao | 2011-11-08 |
| 7975537 | Systems and methods for sensing an ammonia concentration in exhaust gases | Sheng Yao | 2011-07-12 |
| 7964072 | Sensor material and gas sensor element and gas sensor derived therefrom | Sheng Yao, Thomas M. Brunette, Elizabeth Briggs, Raymond L. Bloink, David D. Cabush | 2011-06-21 |
| 7828955 | Ammonia gas sensors | Walter T. Symons, Robert Farhat, Carlos A. Valdes, Elizabeth Briggs, Kaius K. Polikarpus +1 more | 2010-11-09 |
| 7757478 | System and method for monitoring operation of an exhaust gas treatment system | David D. Cabush | 2010-07-20 |
| 7722749 | Gas sensor and method for forming same | Walter T. Symons, Robert Farhat, Sheng Yao, Joachim Kupe | 2010-05-25 |
| 7305865 | Hydrocarbon reformer performance sensing system | James H. Kralick, Norm Peschke | 2007-12-11 |
| 7294252 | NOx sensor and methods of using the same | Walter T. Symons, Robert Farhat, Sheng Yao, Joachim Kupe | 2007-11-13 |
| 7279133 | Planar sensor and a method for measuring the temperature of same | David K. Chen, David Wallace, Walter T. Symons, Paul Kikuchi, Yingjie Lin +3 more | 2007-10-09 |
| 7247271 | Compact ceramic sensor for fuel volatility and oxygenate concentration | David K. Lambert | 2007-07-24 |
| 7244316 | Methods of making gas sensors and sensors formed therefrom | Kailash C. Jain, Kenneth Rahmoeller, Eric Clyde, Paul Kikuchi | 2007-07-17 |
| 7131766 | Temperature sensor apparatus and method | Michel F. Sultan, Charles R. Harrington | 2006-11-07 |
| 7074319 | Ammonia gas sensors | Walter T. Symons, Robert Farhat, Carlos A. Valdes, Elizabeth Briggs, Kaius K. Polikarpus +1 more | 2006-07-11 |