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Envirotest Systems Corporation
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East Granby, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multilane remote sensing device
Patent number
7,164,132
Issue date
Jan 16, 2007
Envirotest Systems Corp.
John Didomenico
G01 - MEASURING TESTING
Information
Patent Grant
Remote emissions sensing system and method with a composite beam of...
Patent number
6,723,989
Issue date
Apr 20, 2004
Envirotest Systems Corporation
John Didomenico
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for selecting a filter for a remote sensing de...
Patent number
6,307,201
Issue date
Oct 23, 2001
Envirotest Systems Corp.
John D. Didomenico
G01 - MEASURING TESTING
Information
Patent Grant
Vehicular running loss detecting system
Patent number
6,230,087
Issue date
May 8, 2001
Envirotest Systems Corporation
John Didomenico
G01 - MEASURING TESTING
Information
Patent Grant
Method and system for diagnosing and reporting failure of a vehicle...
Patent number
5,835,871
Issue date
Nov 10, 1998
Envirotest Systems, Inc.
Mary V. Smith
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for remote measurement of exhaust gas
Patent number
5,831,267
Issue date
Nov 3, 1998
Envirotest Systems Corp.
Michael D. Jack
G01 - MEASURING TESTING
Information
Patent Grant
Speed and acceleration monitoring device using visible laser beams
Patent number
5,812,249
Issue date
Sep 22, 1998
Envirotest Systems Corporation
James H. Johnson
G01 - MEASURING TESTING
Information
Patent Grant
Device and method for measuring temperture of vehicle exhaust
Patent number
5,797,682
Issue date
Aug 25, 1998
Envirotest Systems Corp.
John Kert
G01 - MEASURING TESTING
Information
Patent Grant
Forced dilution system and method for emissions measurement systems
Patent number
5,739,413
Issue date
Apr 14, 1998
Envirotest Systems, Inc.
Bruce R. Kohn
G01 - MEASURING TESTING
Information
Patent Grant
Unmanned integrated optical remote emissions sensor (RES) for motor...
Patent number
5,726,450
Issue date
Mar 10, 1998
Envirotest Systems Corp.
Jay Peterson
G01 - MEASURING TESTING
Information
Patent Grant
Systems and methods for determining compliance of moving vehicles w...
Patent number
5,719,396
Issue date
Feb 17, 1998
Envirotest Systems Corp.
Michael D. Jack
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75460813 - AUTO ID
Serial number
75460813
Filing date
Apr 2, 1998
Envirotest Systems Corp.
40 - Treatment of materials
Information
Trademark
75460870 - ENVIROTEST
Serial number
75460870
Registration number
2287365
Filing date
Apr 2, 1998
Envirotest Systems Corp.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
75460814
Serial number
75460814
Registration number
2284859
Filing date
Apr 2, 1998
Envirotest Systems Corp.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
75215771 - IMPACT
Serial number
75215771
Filing date
Dec 19, 1996
Envirotest Systems Corp.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments