David K. Chen

Person

Rochester Hills, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for monitoring reductant quality
- Patent number 8,769,935
- Issue date Jul 8, 2014
- Ford Global Technologies, LLC
- Furqan Zafar Shaikh
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
System and method for monitoring reductant quality
- Patent number 8,141,346
- Issue date Mar 27, 2012
- Ford Global Technologies, LLC
- Furqan Zafar Shaikh
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Planar sensor and a method for measuring the temperature of same
- Patent number 7,279,133
- Issue date Oct 9, 2007
- Delphi Technologies, Inc.
- David K. Chen
- G01 - MEASURING TESTING
Information Patent Grant
Ammonia sensor element, heater, and method for making the same
- Patent number 7,069,770
- Issue date Jul 4, 2006
- Delphi Technologies, Inc.
- David K. Chen
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor and method for use thereof
- Patent number 7,048,844
- Issue date May 23, 2006
- Delphi Technologies, Inc.
- David K. Chen
- G01 - MEASURING TESTING
Information Patent Grant
Impact protection of an exhaust sensor
- Patent number 6,957,564
- Issue date Oct 25, 2005
- Delphi Technologies, Inc.
- Charles Scott Nelson
- G01 - MEASURING TESTING
Information Patent Grant
Hydrogen sensing process
- Patent number 6,638,416
- Issue date Oct 28, 2003
- Delphi Technologies, Inc.
- Da Yu Wang
- G01 - MEASURING TESTING
Information Patent Grant
Planar exhaust sensor element with enhanced geometry
- Patent number 6,562,215
- Issue date May 13, 2003
- Delphi Technologies, Inc.
- Charles Scott Nelson
- G01 - MEASURING TESTING
Information Patent Grant
Glow sensor--ceramic flat plate
- Patent number 6,144,015
- Issue date Nov 7, 2000
- General Motors Corporation
- Randolph Kwok-Kin Chiu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Glow sensor and engine component combination
- Patent number 6,062,185
- Issue date May 16, 2000
- General Motors Corporation
- Randolph Kwok-Kin Chiu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of making a catalytic converter
- Patent number 5,909,916
- Issue date Jun 8, 1999
- General Motors Corporation
- Michael Ralph Foster
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Flat plate sensor with a robust package design
- Patent number 5,467,636
- Issue date Nov 21, 1995
- General Motors Corporation
- David A. Thompson
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR MONITORING REDUCTANT QUALITY
- Publication number 20120192548
- Publication date Aug 2, 2012
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Furqan Zafar Shaikh
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
AMMONIA SENSOR ELEMENT, METHOD OF MAKING THEREOF, AND AMMONIA SENSO...
- Publication number 20090301878
- Publication date Dec 10, 2009
- Da Yu Wang
- G01 - MEASURING TESTING
Information Patent Application
System and Method for Monitoring Reductant Quality
- Publication number 20080178575
- Publication date Jul 31, 2008
- Furqan Zafar Zafar Shaikh
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Sensing element and method of making
- Publication number 20060211123
- Publication date Sep 21, 2006
- Eric L. Ker
- G01 - MEASURING TESTING
Information Patent Application
Ammonia sensor element, heater, and method for making the same
- Publication number 20060200969
- Publication date Sep 14, 2006
- DELPHI TECHNOLOGIES, INC.
- David K. Chen
- G01 - MEASURING TESTING
Information Patent Application
Ammonia sensor element, heater, and method for making the same
- Publication number 20060021420
- Publication date Feb 2, 2006
- David K. Chen
- G01 - MEASURING TESTING
Information Patent Application
Impact protection of an exhaust sensor
- Publication number 20040163468
- Publication date Aug 26, 2004
- Charles Scott Nelson
- G01 - MEASURING TESTING
Information Patent Application
Gas sensor and method for use thereof
- Publication number 20040094416
- Publication date May 20, 2004
- David K. Chen
- G01 - MEASURING TESTING
Information Patent Application
Oxygen sensor and process of use
- Publication number 20040011645
- Publication date Jan 22, 2004
- Richard F. Beckmeyer
- G01 - MEASURING TESTING
Information Patent Application
Planar sensor and a method for measuring the temperature of same
- Publication number 20030119196
- Publication date Jun 26, 2003
- David K. Chen
- G01 - MEASURING TESTING
Information Patent Application
Hydrogen sensing process and apparatus
- Publication number 20030057109
- Publication date Mar 27, 2003
- Da Yu Wang
- G01 - MEASURING TESTING
Information Patent Application
Gas sensor with uniform heating and method of making same
- Publication number 20020100697
- Publication date Aug 1, 2002
- David B. Quinn
- G01 - MEASURING TESTING
Information Patent Application
Gas sensor with a heater having a round to rectangular cross sectio...
- Publication number 20020074327
- Publication date Jun 20, 2002
- David K. Chen
- G01 - MEASURING TESTING

David K. Chen

Person

Patents Grantslast 30 patents

System and method for monitoring reductant quality

System and method for monitoring reductant quality

Planar sensor and a method for measuring the temperature of same

Ammonia sensor element, heater, and method for making the same

Gas sensor and method for use thereof

Impact protection of an exhaust sensor

Hydrogen sensing process

Planar exhaust sensor element with enhanced geometry

Glow sensor--ceramic flat plate

Glow sensor and engine component combination

Method of making a catalytic converter

Flat plate sensor with a robust package design

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR MONITORING REDUCTANT QUALITY

AMMONIA SENSOR ELEMENT, METHOD OF MAKING THEREOF, AND AMMONIA SENSO...

System and Method for Monitoring Reductant Quality

Sensing element and method of making

Ammonia sensor element, heater, and method for making the same

Ammonia sensor element, heater, and method for making the same

Impact protection of an exhaust sensor

Gas sensor and method for use thereof

Oxygen sensor and process of use

Planar sensor and a method for measuring the temperature of same

Hydrogen sensing process and apparatus

Gas sensor with uniform heating and method of making same

Gas sensor with a heater having a round to rectangular cross sectio...