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Jean Roy
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Waltham, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
NOx reduction without urea using a dual stage catalyst system with...
Patent number
10,774,720
Issue date
Sep 15, 2020
Tecogen, Inc.
Ahmed F. Ghoniem
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Dual stage internal combustion engine aftertreatment system using e...
Patent number
10,774,724
Issue date
Sep 15, 2020
Tecogen, Inc.
Ahmed F. Ghoniem
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Emissions control systems and methods for vehicles
Patent number
9,995,195
Issue date
Jun 12, 2018
Tecogen Inc.
Jean Roy
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Poison-resistant catalyst and systems containing same
Patent number
9,956,526
Issue date
May 1, 2018
Tecogen Inc.
Jean Roy
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Systems and methods for reducing emissions in exhaust of vehicles a...
Patent number
9,856,767
Issue date
Jan 2, 2018
Tecogen, Inc.
Jean Roy
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Internal combustion engine controller
Patent number
9,702,306
Issue date
Jul 11, 2017
Tecogen Inc.
Joseph Gehret
G05 - CONTROLLING REGULATING
Information
Patent Grant
Assembly and method for reducing nitrogen oxides, carbon monoxide,...
Patent number
9,631,534
Issue date
Apr 25, 2017
Tecogen Inc.
Jean Roy
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Assembly and method for reducing ammonia in exhaust of internal com...
Patent number
9,470,126
Issue date
Oct 18, 2016
Tecogen Inc.
Joseph B. Gehret
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
ASSEMBLIES AND METHODS FOR REDUCING PARTICULATE MATTER, HYDROCARBON...
Publication number
20190234284
Publication date
Aug 1, 2019
Tecogen, Inc.
Ahmed F. Ghoniem
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
ASSEMBLIES AND METHODS FOR REDUCING PARTICULATE MATTER, HYDROCARBON...
Publication number
20180230886
Publication date
Aug 16, 2018
Tecogen, Inc.
Ahmed F. Ghoniem
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Dual Stage Internal Combustion Engine Aftertreatment System Using E...
Publication number
20180230883
Publication date
Aug 16, 2018
Ultra Emissions Technologies Limited
Ahmed F. Ghoniem
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
NOx Reduction Without Urea Using a Dual Stage Catalyst System With...
Publication number
20180230882
Publication date
Aug 16, 2018
Tecogen, Inc.
Ahmed F. Ghoniem
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Poison-Resistant Catalyst and Systems Containing Same
Publication number
20180207582
Publication date
Jul 26, 2018
Tecogen Inc.
Jean Roy
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Emissions Control Systems and Methods for Vehicles
Publication number
20170284266
Publication date
Oct 5, 2017
Tecogen Inc.
Jean Roy
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Internal Combustion Engine Controller
Publication number
20170101942
Publication date
Apr 13, 2017
Tecogen Inc.
Joseph Gehret
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Poison-Resistant Catalyst and Systems Containing Same
Publication number
20160279572
Publication date
Sep 29, 2016
Tecogen Inc.
Jean Roy
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Systems and Methods for Reducing Emissions in Exhaust of Vehicles a...
Publication number
20160076419
Publication date
Mar 17, 2016
Tecogen, Inc.
Jean Roy
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Assembly and Method for Reducing Ammonia in Exhausts of Internal Co...
Publication number
20150252700
Publication date
Sep 10, 2015
Tecogen Inc.
Joseph B. Gehret
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
ASSEMBLY AND METHOD FOR REDUCING NITROGEN OXIDES, CARBON MONOXIDE,...
Publication number
20130004392
Publication date
Jan 3, 2013
Jean Roy
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL