WS

Walter T. Symons

Delphi Technologies: 25 patents #44 of 4,124Top 2%
General Motors: 1 patents #9,361 of 18,328Top 55%
📍 Grand Blanc, MI: #9 of 470 inventorsTop 2%
🗺 Michigan: #2,695 of 86,293 inventorsTop 4%
Overall (All Time): #155,246 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
9429540 Low-temperature activity exhaust sensor Eric Clyde, Kaius K. Polikarpus, James D. Ward, Marsha E. Nottingham 2016-08-30
8658013 Sensor and sensing method Da Yu Wang, Robert Farhat, 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, Robert Farhat 2012-01-24
8051700 Exhaust gas sensor and method for determining concentrations of exhaust gas constituents Da Yu Wang, Robert Farhat, Sheng Yao 2011-11-08
7828955 Ammonia gas sensors Da Yu Wang, Robert Farhat, Carlos A. Valdes, Elizabeth Briggs, Kaius K. Polikarpus +1 more 2010-11-09
7785725 Compound for a solid oxide fuel cell stack gasket Joseph M. Keller, William LaBarge 2010-08-31
7722749 Gas sensor and method for forming same Da Yu Wang, Robert Farhat, Sheng Yao, Joachim Kupe 2010-05-25
7294252 NOx sensor and methods of using the same Da Yu Wang, 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, Da Yu Wang, Paul Kikuchi, Yingjie Lin +3 more 2007-10-09
7280028 Temperature sensor and method of making the same Charles Scott Nelson, Paul Kikuchi, James Vargo, Douglas Behrendt, William LaBarge +4 more 2007-10-09
7138604 Ceramic device, sensor device, method of making the same, and method for sensing gas Kaius K. Polikarpus, Charles Scott Nelson, Rick D. Kerr 2006-11-21
7074319 Ammonia gas sensors Da Yu Wang, Robert Farhat, Carlos A. Valdes, Elizabeth Briggs, Kaius K. Polikarpus +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
6984298 Gas sensor having an insulating layer Kaius K. Polikarpus, Kerry Gross, William LaBarge, Suresh Baskaran, Craig Habeger +4 more 2006-01-10
6800158 Method of making a sensor and the product produced therefrom Kaius K. Polikarpus, Kerry Gross 2004-10-05
6793788 Method and device for hydrogen and hydrocarbon sensing Da Yu Wang, Kaius K. Polikarpus, Frederick L. Kennard III, Ming-Cheng Wu 2004-09-21
6638416 Hydrogen sensing process Da Yu Wang, David K. Chen, Kaius K. Polikarpus 2003-10-28
6579435 Gas sensor Da Yu Wang, Paul Kikuchi, Kaius K. Polikarpus, Larry M. Oberdier 2003-06-17
6579436 Gas sensor and method of producing the same Da Yu Wang, Paul Kikuchi, Kaius K. Polikarpus, Larry M. Oberdier 2003-06-17
6562747 Gas sensor electrolyte Kaius K. Polikarpus, Kerry Gross, Da Yu Wang, Paul Kikuchi 2003-05-13
6562215 Planar exhaust sensor element with enhanced geometry Charles Scott Nelson, David K. Chen, Lora Younkman, Raymond L. Bloink, Kaius K. Polikarpus 2003-05-13
6544467 Exhaust gas sensor and the method of manufacture thereof Kaius K. Polikarpus, Kerry Gross 2003-04-08
6486449 Heater patterns for planar gas sensors Paul Kikuchi, Lone-Wen Tai 2002-11-26
6435005 Heater patterns for planar gas sensors Paul Kikuchi, Lone-Wen Tai 2002-08-20
6365880 Heater patterns for planar gas sensors Paul Kikuchi, Lone-Wen Tai 2002-04-02