John Johnson

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Houghton, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Aftertreatment systems and methods for treatment of exhaust gas fro...
- Patent number 10,690,033
- Issue date Jun 23, 2020
- John H. Johnson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
NOx control systems and methods for controlling NOx emissions
- Patent number 8,230,677
- Issue date Jul 31, 2012
- Michigan Technological University
- Maruthi Devarakonda
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for sensing the regeneration of a diesel engin...
- Patent number 4,939,466
- Issue date Jul 3, 1990
- Board of Control of Michigan Technological University
- John H. Johnson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
NOx CONTROL SYSTEMS AND METHODS FOR CONTROLLING NOx EMISSIONS
- Publication number 20120260634
- Publication date Oct 18, 2012
- Michigan Technological University
- Maruthi Devarakonda
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
NOx CONTROL SYSTEMS AND METHODS FOR CONTROLLING NOx EMISSIONS
- Publication number 20090133384
- Publication date May 28, 2009
- Maruthi Devarakonda
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES