Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391232 | Particulate matter sensor | Daniel G. Gauthier, Alfredo Ibarra Covarrubias, David A. Goulette | 2022-07-19 |
| 9097192 | Method and apparatus for identifying gas sensor faults | Da Yu Wang, David M. Racine | 2015-08-04 |
| 8626451 | Method and device for characterization and sensing of exhaust gas and control of engines and components for aftertreatment of exhaust gases | Da Yu Wang, David M. Racine | 2014-01-07 |
| 8103458 | Exhaust gas sensing system and method for determining concentrations of exhaust gas constituents | Da Yu Wang, Sheng Yao, Walter T. Symons, Robert Farhat | 2012-01-24 |
| 7964072 | Sensor material and gas sensor element and gas sensor derived therefrom | Da Yu Wang, Sheng Yao, Thomas M. Brunette, Elizabeth Briggs, Raymond L. Bloink | 2011-06-21 |
| 7757478 | System and method for monitoring operation of an exhaust gas treatment system | Da Yu Wang | 2010-07-20 |
| 7478002 | Apparatus and method for trimming multiple sensing elements with a single trim resistor | Charles Scott Nelson, Kenneth D. Mowery | 2009-01-13 |