| 11307159 |
Ionic-conducting resistor for exhaust constituent sensors |
Alfredo Ibarra Covarrubias |
2022-04-19 |
|
| 9429540 |
Low-temperature activity exhaust sensor |
Eric Clyde, Walter T. Symons, James D. Ward, Marsha E. Nottingham |
2016-08-30 |
|
| 9354215 |
Metal to ceramic seal |
Evan Schaefer, Wayne M. Chadwick, Mark S. Alexander |
2016-05-31 |
|
| 7828955 |
Ammonia gas sensors |
Da Yu Wang, Walter T. Symons, Robert Farhat, Carlos A. Valdes, Elizabeth Briggs +1 more |
2010-11-09 |
|
| 7280028 |
Temperature sensor and method of making the same |
Charles Scott Nelson, Paul Kikuchi, James Vargo, Douglas Behrendt, Walter T. Symons +4 more |
2007-10-09 |
|
| 7214881 |
High temperature electrical connection |
Charles Scott Nelson, Robert G. Minard, Paul Ruterbusch, Kathryn M. McCauley |
2007-05-08 |
|
| 7138604 |
Ceramic device, sensor device, method of making the same, and method for sensing gas |
Walter T. Symons, Charles Scott Nelson, Rick D. Kerr |
2006-11-21 |
|
| 7074319 |
Ammonia gas sensors |
Da Yu Wang, Walter T. Symons, Robert Farhat, Carlos A. Valdes, Elizabeth Briggs +1 more |
2006-07-11 |
|
| 7048844 |
Gas sensor and method for use thereof |
David K. Chen, Da Yu Wang, Yingjie Lin, Raymond L. Bloink, Devesh Srivastava +1 more |
2006-05-23 |
|
| 7007653 |
Robust torch jet spark plug electrode |
William LaBarge, Keith Michael Brenske |
2006-03-07 |
|
| 6984298 |
Gas sensor having an insulating layer |
Walter T. Symons, Kerry Gross, William LaBarge, Suresh Baskaran, Craig Habeger +4 more |
2006-01-10 |
|
| 6800158 |
Method of making a sensor and the product produced therefrom |
Walter T. Symons, Kerry Gross |
2004-10-05 |
$1,100,000 |
| 6793788 |
Method and device for hydrogen and hydrocarbon sensing |
Da Yu Wang, Walter T. Symons, Frederick L. Kennard III, Ming-Cheng Wu |
2004-09-21 |
$6,575,000 |
| 6638416 |
Hydrogen sensing process |
Da Yu Wang, David K. Chen, Walter T. Symons |
2003-10-28 |
$1,083,000 |
| 6611083 |
Torch jet spark plug electrode |
William LaBarge, Conrad Anderson, Greg Rasmussen |
2003-08-26 |
|
| 6579435 |
Gas sensor |
Da Yu Wang, Paul Kikuchi, Walter T. Symons, Larry M. Oberdier |
2003-06-17 |
$2,914,000 |
| 6579436 |
Gas sensor and method of producing the same |
Da Yu Wang, Paul Kikuchi, Walter T. Symons, Larry M. Oberdier |
2003-06-17 |
$2,914,000 |
| 6572747 |
Method for making a wide range sensor element |
Richard Fouts, Lora Younkman, Raymond L. Bloink |
2003-06-03 |
$9,443,000 |
| 6562747 |
Gas sensor electrolyte |
Walter T. Symons, Kerry Gross, Da Yu Wang, Paul Kikuchi |
2003-05-13 |
$1,982,000 |
| 6562215 |
Planar exhaust sensor element with enhanced geometry |
Charles Scott Nelson, David K. Chen, Lora Younkman, Raymond L. Bloink, Walter T. Symons |
2003-05-13 |
$1,982,000 |
| 6557508 |
Robust torch jet spark plug electrode |
William LaBarge, Keith Michael Brenske |
2003-05-06 |
|
| 6544467 |
Exhaust gas sensor and the method of manufacture thereof |
Walter T. Symons, Kerry Gross |
2003-04-08 |
$4,256,000 |
| 6365036 |
Electrode ink formulation for oxygen sensor |
— |
2002-04-02 |
$4,569,000 |
| 5602325 |
Exhaust sensor having flat plate ceramic sensing element and a sealing package |
Mark R. McClanahan |
1997-02-11 |
|
| 5421300 |
Torch jet spark plug |
Harold Durling, Robert Johnston |
1995-06-06 |
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