Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8658013 | Sensor and sensing method | Da Yu Wang, Walter T. Symons, John Kirwan, Joachim Kupe, Kenneth D. Mowery | 2014-02-25 |
| 8103458 | Exhaust gas sensing system and method for determining concentrations of exhaust gas constituents | Da Yu Wang, Sheng Yao, David D. Cabush, Walter T. Symons | 2012-01-24 |
| 8051700 | Exhaust gas sensor and method for determining concentrations of exhaust gas constituents | Da Yu Wang, Walter T. Symons, Sheng Yao | 2011-11-08 |
| 7828955 | Ammonia gas sensors | Da Yu Wang, Walter T. Symons, Carlos A. Valdes, Elizabeth Briggs, Kaius K. Polikarpus +1 more | 2010-11-09 |
| 7722749 | Gas sensor and method for forming same | Da Yu Wang, Walter T. Symons, Sheng Yao, Joachim Kupe | 2010-05-25 |
| 7294252 | NOx sensor and methods of using the same | Da Yu Wang, Walter T. Symons, Sheng Yao, Joachim Kupe | 2007-11-13 |
| 7074319 | Ammonia gas sensors | Da Yu Wang, Walter T. Symons, Carlos A. Valdes, Elizabeth Briggs, Kaius K. Polikarpus +1 more | 2006-07-11 |
| 6862919 | Ethanol and volatility sensor and fabrication method | Yingjie Lin, Da Yu Wang, Raymond L. Bloink, William LaBarge | 2005-03-08 |