Chen; David K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chen; David K..The latest application filed is for "poly fluorine-containing siloxane coatings".
- Chen; David K. - Vancouver WA
- Chen; David K. - Rochester Hills MI
- Chen; David K. - Camas WA
| Patent | Date |
|---|---|
| Poly fluorine-containing siloxane coatings Grant 10,150,889 - Liu , et al. Dec | 2018-12-11 |
| Poly Fluorine-containing Siloxane Coatings App 20160200941 - LIU; Ya Qun ; et al. | 2016-07-14 |
| System and method for monitoring reductant quality Grant 8,769,935 - Shaikh , et al. July 8, 2 | 2014-07-08 |
| System And Method For Monitoring Reductant Quality App 20120192548 - Shaikh; Furqan Zafar ; et al. | 2012-08-02 |
| System and method for monitoring reductant quality Grant 8,141,346 - Shaikh , et al. March 27, 2 | 2012-03-27 |
| Ammonia Sensor Element, Method Of Making Thereof, And Ammonia Sensor Derived Therefrom App 20090301878 - Wang; Da Yu ; et al. | 2009-12-10 |
| System and Method for Monitoring Reductant Quality App 20080178575 - Shaikh; Furqan Zafar Zafar ; et al. | 2008-07-31 |
| Planar sensor and a method for measuring the temperature of same Grant 7,279,133 - Chen , et al. October 9, 2 | 2007-10-09 |
| Lapping carrier, apparatus for lapping a wafer and method of fabricating a lapping carrier Grant 7,196,009 - Bex , et al. March 27, 2 | 2007-03-27 |
| Sensing element and method of making App 20060211123 - Ker; Eric L. ; et al. | 2006-09-21 |
| Ammonia sensor element, heater, and method for making the same App 20060200969 - Chen; David K. ; et al. | 2006-09-14 |
| Ammonia sensor element, heater, and method for making the same Grant 7,069,770 - Chen , et al. July 4, 2 | 2006-07-04 |
| Gas sensor and method for use thereof Grant 7,048,844 - Chen , et al. May 23, 2 | 2006-05-23 |
| Ammonia sensor element, heater, and method for making the same App 20060021420 - Chen; David K. ; et al. | 2006-02-02 |
| Impact protection of an exhaust sensor Grant 6,957,564 - Nelson , et al. October 25, 2 | 2005-10-25 |
| Lapping carrier, apparatus for lapping a wafer and method of fabricating a lapping carrier App 20040224522 - Bex, Brian L. ; et al. | 2004-11-11 |
| Impact protection of an exhaust sensor App 20040163468 - Nelson, Charles Scott ; et al. | 2004-08-26 |
| Gas sensor and method for use thereof App 20040094416 - Chen, David K. ; et al. | 2004-05-20 |
| Oxygen sensor and process of use App 20040011645 - Beckmeyer, Richard F. ; et al. | 2004-01-22 |
| Hydrogen sensing process Grant 6,638,416 - Wang , et al. October 28, 2 | 2003-10-28 |
| Planar sensor and a method for measuring the temperature of same App 20030119196 - Chen, David K. ; et al. | 2003-06-26 |
| Hydrogen sensing process and apparatus App 20030057109 - Wang, Da Yu ; et al. | 2003-03-27 |
| Gas sensor with uniform heating and method of making same App 20020100697 - Quinn, David B. ; et al. | 2002-08-01 |
| Gas sensor with a heater having a round to rectangular cross sectional transition and method of manufacture App 20020074327 - Chen, David K. ; et al. | 2002-06-20 |
| Flat plate sensor with a robust package design Grant 5,467,636 - Thompson , et al. November 21, 1 | 1995-11-21 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 