TECOGEN INC

Organization

WALTHAM, MA, US

Ticker Symbols

NASDAQ:TGEN

AIR COND & WARM AIR HEATING EQUIP & COMM & INDL REFRIG EQUIP
Business Address
45 FIRST AVENUE WALTHAM MA 02451 781-466-6400
Mailing Address
45 FIRST AVENUE WALTHAM MA 02451
State Location
MA
State of Incorporation
DE

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid power system with electric generator and auxiliary power source
- Patent number 11,936,327
- Issue date Mar 19, 2024
- Tecogen Inc.
- Joseph Gehret
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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...
Information Patent Grant
Assembly and method for reducing nitrogen oxides, carbon monoxide a...
- Patent number 9,121,326
- Issue date Sep 1, 2015
- Tecogen Inc.
- Joseph B. Gehret
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Assembly and method for reducing nitrogen oxides, carbon monoxide a...
- Patent number 8,578,704
- Issue date Nov 12, 2013
- Tecogen, Inc.
- Joseph B. Gehret
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for controlling internal combustion engine emissions
- Patent number 7,243,017
- Issue date Jul 10, 2007
- Tecogen, Inc.
- Joseph B. Gehret, Jr.
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine driven power inverter system with cogeneration
- Patent number 7,239,034
- Issue date Jul 3, 2007
- Tecogen, Inc.
- Joseph B. Gehret, Jr.
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Microwave enhanced deep fat fryer
- Patent number 5,363,749
- Issue date Nov 15, 1994
- Tecogen, Inc.
- James R. Hurley
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Microwave enhanced deep fat fryer
- Patent number 5,333,539
- Issue date Aug 2, 1994
- Tecogen, Inc.
- James R. Hurley
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Method for converting a diesel engine to a natural gas fueled engine
- Patent number 5,315,981
- Issue date May 31, 1994
- Tecogen Inc.
- Tze-Ning Chen
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Steam atmosphere drying exhaust steam recompression system
- Patent number 5,291,668
- Issue date Mar 8, 1994
- Tecogen, Inc.
- Frederick E. Becker
- F26 - DRYING
Information Patent Grant
Flow proportioning mixer for gaseous fuel and air and internal comb...
- Patent number 5,245,977
- Issue date Sep 21, 1993
- Tecogen, Inc.
- Tze-Ning Chen
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
NO.sub.x reduction by sulfur tolerant coronal-catalytic apparatus a...
- Patent number 5,240,575
- Issue date Aug 31, 1993
- Tecogen Inc.
- Virendra K. Mathur
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Cooking oven with convection and microwave heating
- Patent number 5,166,487
- Issue date Nov 24, 1992
- Tecogen, Inc.
- James R. Hurley
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
NO.sub.x reduction by sulfur tolerant coronal-catalytic apparatus a...
- Patent number 5,147,516
- Issue date Sep 15, 1992
- Tecogen, Inc.
- Virendra K. Mathur
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Compact cogeneration system
- Patent number 5,033,264
- Issue date Jul 23, 1991
- Tecogen Inc.
- Richard E. Cabral
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gas fired combination convection-steam oven
- Patent number 5,014,679
- Issue date May 14, 1991
- Tecogen, Inc.
- Paul Childs
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Conveyor oven
- Patent number 4,951,648
- Issue date Aug 28, 1990
- Tecogen, Inc.
- Kailash C. Shukla
- A21 - BAKING EDIBLE DOUGHS
Information Patent Grant
Thermoelectric field burner
- Patent number 4,773,847
- Issue date Sep 27, 1988
- Tecogen, Inc.
- Kailash C. Shukla
- F24 - HEATING RANGES VENTILATING

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Patents Applicationslast 30 patents

Information Patent Application
Hybrid Power System with Electric Generator and Auxiliary Power Source
- Publication number 20220416700
- Publication date Dec 29, 2022
- Tecogen Inc.
- Joseph Gehret
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
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 A...
- Publication number 20140196438
- Publication date Jul 17, 2014
- Tecogen, Inc.
- Joseph B. Gehret
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Method for controlling internal combustion engine emissions
- Publication number 20060277896
- Publication date Dec 14, 2006
- Tecogen, Inc.
- Joseph B. Gehret
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Engine driven power inverter system with cogeneration
- Publication number 20050206167
- Publication date Sep 22, 2005
- Tecogen, Inc.
- Joseph B. Gehret
- B60 - VEHICLES IN GENERAL

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Trademarklast 30 trademarks

Information Trademark
97622968 - NETZERO GREENS
- Serial number 97622968
- Filing date Oct 7, 2022
- Tecogen, Inc.
- 35 - Advertising
Information Trademark
97622991 - NETZERO GREENS
- Serial number 97622991
- Filing date Oct 7, 2022
- Tecogen, Inc.
- 35 - Advertising
Information Trademark
90347375 - TECOPACK INTEGRATED MICROGRID SOLUTIONS
- Serial number 90347375
- Registration number 6880803
- Filing date Nov 30, 2020
- Tecogen, Inc.
- 7 - Machines and machine tools
Information Trademark
90291650 - TECOPACK
- Serial number 90291650
- Registration number 6680643
- Filing date Oct 31, 2020
- Tecogen, Inc.
- 7 - Machines and machine tools
Information Trademark
88346536 - TECOFROST
- Serial number 88346536
- Registration number 6406148
- Filing date Mar 19, 2019
- Tecogen, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
88346368 - TECOFROST
- Serial number 88346368
- Registration number 6406147
- Filing date Mar 19, 2019
- Tecogen, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
87253875 - TECOPOWER
- Serial number 87253875
- Registration number 5675772
- Filing date Dec 1, 2016
- Tecogen Inc.
- 7 - Machines and machine tools
Information Trademark
87145922 - INVERDE E+
- Serial number 87145922
- Registration number 5697774
- Filing date Aug 22, 2016
- TECOGEN INC.
- 7 - Machines and machine tools
Information Trademark
87043691 - ULTERA EMISSION CONTROL
- Serial number 87043691
- Registration number 5201585
- Filing date May 19, 2016
- TECOGEN INC.
- 7 - Machines and machine tools
Information Trademark
86824873 - ULTERA
- Serial number 86824873
- Registration number 5196528
- Filing date Nov 18, 2015
- TECOGEN INC.
- 7 - Machines and machine tools
Information Trademark
86774162 - E+
- Serial number 86774162
- Filing date Sep 30, 2015
- TECOGEN INC.
- 7 - Machines and machine tools
Information Trademark
86627215 - TECOGEN
- Serial number 86627215
- Registration number 5107438
- Filing date May 12, 2015
- TECOGEN INC.
- 7 - Machines and machine tools
Information Trademark
85244091 - PUTTING ENERGY TO WORK
- Serial number 85244091
- Filing date Feb 16, 2011
- Tecogen, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
77570697 - INVERDE
- Serial number 77570697
- Registration number 3772652
- Filing date Sep 16, 2008
- Tecogen, Inc.
- 7 - Machines and machine tools
Information Trademark
78622447 - AMERICANDG ON-SITE UTILITY
- Serial number 78622447
- Filing date May 4, 2005
- Tecogen, Inc.
- 39 - Transport
Information Trademark
78593413 - TECOFROST
- Serial number 78593413
- Registration number 3087410
- Filing date Mar 23, 2005
- Tecogen, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
78477762 - ON-SITE UTILITY
- Serial number 78477762
- Filing date Sep 2, 2004
- Tecogen, Inc.
- 39 - Transport
Information Trademark
78352337 - TECOFROST
- Serial number 78352337
- Registration number 2927918
- Filing date Jan 15, 2004
- Tecogen, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
74293615 - TECODRIVE
- Serial number 74293615
- Registration number 1784037
- Filing date Jul 6, 1992
- TECOGEN INC.
- 12 - Vehicles
Information Trademark
74234121 - CHAMPION
- Serial number 74234121
- Registration number 1883323
- Filing date Dec 30, 1991
- Thermo Electron Corporation
- 7 - Machines and machine tools
Information Trademark
74216883 - XL
- Serial number 74216883
- Registration number 1764057
- Filing date Oct 25, 1991
- Thermo Electron Corp.
- 7 - Machines and machine tools
Information Trademark
73791982 - TECOCHILL
- Serial number 73791982
- Registration number 1594070
- Filing date Apr 10, 1989
- TECOGEN INC.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes

TECOGEN INC

Organization

Ticker Symbols

Business Address

Mailing Address

State Location

State of Incorporation

Patents Grantslast 30 patents

Hybrid power system with electric generator and auxiliary power source

NOx reduction without urea using a dual stage catalyst system with...

Dual stage internal combustion engine aftertreatment system using e...

Emissions control systems and methods for vehicles

Poison-resistant catalyst and systems containing same

Systems and methods for reducing emissions in exhaust of vehicles a...

Internal combustion engine controller

Assembly and method for reducing nitrogen oxides, carbon monoxide,...

Assembly and method for reducing ammonia in exhaust of internal com...

Assembly and method for reducing nitrogen oxides, carbon monoxide a...

Assembly and method for reducing nitrogen oxides, carbon monoxide a...

Method for controlling internal combustion engine emissions

Engine driven power inverter system with cogeneration

Microwave enhanced deep fat fryer

Microwave enhanced deep fat fryer

Method for converting a diesel engine to a natural gas fueled engine

Steam atmosphere drying exhaust steam recompression system

Flow proportioning mixer for gaseous fuel and air and internal comb...

NO.sub.x reduction by sulfur tolerant coronal-catalytic apparatus a...

Cooking oven with convection and microwave heating

NO.sub.x reduction by sulfur tolerant coronal-catalytic apparatus a...

Compact cogeneration system

Gas fired combination convection-steam oven

Conveyor oven

Thermoelectric field burner

Patents Applicationslast 30 patents

Hybrid Power System with Electric Generator and Auxiliary Power Source

ASSEMBLIES AND METHODS FOR REDUCING PARTICULATE MATTER, HYDROCARBON...

ASSEMBLIES AND METHODS FOR REDUCING PARTICULATE MATTER, HYDROCARBON...

NOx Reduction Without Urea Using a Dual Stage Catalyst System With...

Poison-Resistant Catalyst and Systems Containing Same

Emissions Control Systems and Methods for Vehicles

Internal Combustion Engine Controller

Poison-Resistant Catalyst and Systems Containing Same

Systems and Methods for Reducing Emissions in Exhaust of Vehicles a...

Assembly and Method for Reducing Ammonia in Exhausts of Internal Co...

ASSEMBLY AND METHOD FOR REDUCING NITROGEN OXIDES, CARBON MONOXIDE A...

Method for controlling internal combustion engine emissions

Engine driven power inverter system with cogeneration

Trademarklast 30 trademarks

97622968 - NETZERO GREENS

97622991 - NETZERO GREENS

90347375 - TECOPACK INTEGRATED MICROGRID SOLUTIONS

90291650 - TECOPACK

88346536 - TECOFROST

88346368 - TECOFROST

87253875 - TECOPOWER

87145922 - INVERDE E+

87043691 - ULTERA EMISSION CONTROL

86824873 - ULTERA

86774162 - E+

86627215 - TECOGEN

85244091 - PUTTING ENERGY TO WORK

77570697 - INVERDE

78622447 - AMERICANDG ON-SITE UTILITY

78593413 - TECOFROST

78477762 - ON-SITE UTILITY

78352337 - TECOFROST

74293615 - TECODRIVE

74234121 - CHAMPION

74216883 - XL

73791982 - TECOCHILL