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Thomas Alfred Birkhofer
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Immenstad, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Fuel cell assembly with an improved gas sensor
Patent number
6,852,434
Issue date
Feb 8, 2005
Ballard Power Systems Inc.
Michael Reindl
G01 - MEASURING TESTING
Information
Patent Grant
High temperature sensor
Patent number
6,634,212
Issue date
Oct 21, 2003
DaimlerChrysler AG
Ralf Moos
G01 - MEASURING TESTING
Information
Patent Grant
Method for identifying the state of an NOx storage catalyst
Patent number
6,619,108
Issue date
Sep 16, 2003
DaimlerChrysler AG
Thomas Birkhofer
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for reducing the emission of vaporized hydrocarbons in a...
Patent number
6,550,238
Issue date
Apr 22, 2003
DaimlerChrysler AG
Renato Andorf
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas sensor
Patent number
6,463,789
Issue date
Oct 15, 2002
Dornier GmbH
Ralf Moos
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Device for Determining the State of a Soot Particle Filter
Publication number
20080048681
Publication date
Feb 28, 2008
Daimlerchrysler AG
Thomas Birkhofer
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Drift compensation for an impedimetric exhaust gas sensor by variab...
Publication number
20070056352
Publication date
Mar 15, 2007
DaimlerChrysler AG
Thomas Birkhofer
G01 - MEASURING TESTING
Information
Patent Application
Method for producing and managing a sensor
Publication number
20050130338
Publication date
Jun 16, 2005
DaimlerChrysler AG
Thomas Birkhofer
G01 - MEASURING TESTING
Information
Patent Application
Sensor and method for monitoring and controlling catalysts, especia...
Publication number
20040206067
Publication date
Oct 21, 2004
Thomas Birkhofer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for identifying the state of an NOx storage catalyst
Publication number
20020124551
Publication date
Sep 12, 2002
Thomas Birkhofer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fuel cell assembly with an improved gas sensor
Publication number
20020110713
Publication date
Aug 15, 2002
Michael Reindl
G01 - MEASURING TESTING
Information
Patent Application
Apparatus for reducing the emission of vaporized hydrocarbons in a...
Publication number
20020056269
Publication date
May 16, 2002
Renato Andorf
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
High temperature sensor
Publication number
20020014107
Publication date
Feb 7, 2002
Ralf Moos
G01 - MEASURING TESTING
Information
Patent Application
Gas sensor
Publication number
20010020383
Publication date
Sep 13, 2001
Dornier GmbH
Ralf Moos
G01 - MEASURING TESTING