John M. Janssen

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Henrico, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus, system, and method for aftertreatment control and diagno...
- Patent number 9,194,273
- Issue date Nov 24, 2015
- Cummins Inc.
- John M. Janssen
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus, system, and method for detecting engine fluid constituents
- Patent number 8,842,283
- Issue date Sep 23, 2014
- Cummins Inc.
- John M. Janssen
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus, system, and method for aftertreatment control and diagno...
- Patent number 8,223,337
- Issue date Jul 17, 2012
- Cummins Inc.
- John M. Janssen
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus, system, and method for detecting engine fluid constituents
- Patent number 8,218,147
- Issue date Jul 10, 2012
- Cummins Inc.
- John M. Janssen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS, SYSTEM, AND METHOD FOR AFTERTREATMENT CONTROL AND DIAGNO...
- Publication number 20140007559
- Publication date Jan 9, 2014
- John M. Janssen
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS, SYSTEM, AND METHOD FOR DETECTING ENGINE FLUID CONSTITUENTS
- Publication number 20120325184
- Publication date Dec 27, 2012
- John M. Janssen
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS, SYSTEM, AND METHOD FOR DETECTING ENGINE FLUID CONSTITUENTS
- Publication number 20110310391
- Publication date Dec 22, 2011
- John M. Janssen
- G01 - MEASURING TESTING
Information Patent Application
Apparatus, System, and Method for Aftertreatment Control and Diagno...
- Publication number 20110170102
- Publication date Jul 14, 2011
- John M. Janssen
- G01 - MEASURING TESTING