Envirotest Systems Holdings Corp.

Organization

East Granby, CT, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
System and method for quantifying the presence of components in the...
- Patent number 9,057,664
- Issue date Jun 16, 2015
- Envirotest Systems Holdings Corp.
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
Remote vehicle emissions sensing system and method for differentiat...
- Patent number 8,838,396
- Issue date Sep 16, 2014
- Envirotest Systems Holdings Corp.
- Robert Allen Gentala
- G01 - MEASURING TESTING
Information Patent Grant
Speed and acceleration monitoring device using visible laser beams
- Patent number RE44976
- Issue date Jul 1, 2014
- Envirotest Systems Holdings Corp.
- James H. Johnson
- 356 - Optics: measuring and testing
Information Patent Grant
Remote vehicle emissions sensing system and method for differentiat...
- Patent number 8,447,528
- Issue date May 21, 2013
- Envirotest Systems Holdings Corp.
- Robert Allen Gentala
- G01 - MEASURING TESTING
Information Patent Grant
Unmanned integrated optical remote emissions sensor (RES) for motor...
- Patent number RE44214
- Issue date May 14, 2013
- Envirotest Systems Holdings Corp.
- Jay Peterson
- 250 - Radiant energy
Information Patent Grant
System and method for quantifying the presence of components in the...
- Patent number 8,429,957
- Issue date Apr 30, 2013
- Envirotest Systems Holdings Corp.
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
System and method for testing the integrity of a vehicle testing/di...
- Patent number 8,355,837
- Issue date Jan 15, 2013
- Envirotest Systems Holdings Corp.
- Donald Jackson Avery
- G07 - CHECKING-DEVICES
Information Patent Grant
System and method for quantifying the presence of components in the...
- Patent number 8,347,701
- Issue date Jan 8, 2013
- Envirotest Systems Holdings Corp.
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
System and method for quantifying the presence of components in the...
- Patent number 8,266,952
- Issue date Sep 18, 2012
- Envirotest Systems Holdings Corp.
- Donald H. Stedman
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE...
- Publication number 20140033796
- Publication date Feb 6, 2014
- Envirotest Systems Holdings Corp.
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Application
REMOTE VEHICLE EMISSIONS SENSING SYSTEM AND METHOD FOR DIFFERENTIAT...
- Publication number 20130253849
- Publication date Sep 26, 2013
- Envirotest Systems Holdings Corp.
- Robert Allen Gentala
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE...
- Publication number 20130233052
- Publication date Sep 12, 2013
- Envirotest Systems Holdings Corp.
- Donald H. Stedman
- G01 - MEASURING TESTING

Envirotest Systems Holdings Corp.

Organization

Patents Grantslast 30 patents

System and method for quantifying the presence of components in the...

Remote vehicle emissions sensing system and method for differentiat...

Speed and acceleration monitoring device using visible laser beams

Remote vehicle emissions sensing system and method for differentiat...

Unmanned integrated optical remote emissions sensor (RES) for motor...

System and method for quantifying the presence of components in the...

System and method for testing the integrity of a vehicle testing/di...

System and method for quantifying the presence of components in the...

System and method for quantifying the presence of components in the...

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE...

REMOTE VEHICLE EMISSIONS SENSING SYSTEM AND METHOD FOR DIFFERENTIAT...

SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE...

Trademarklast 30 trademarks