Donald H. Stedman

Person

Denver, CO, US

People

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
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
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 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
Information Patent Grant
System and method for quantifying the presence of components in the...
- Patent number 7,930,931
- Issue date Apr 26, 2011
- Environmental Systems Products Holdings Inc.
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
Remote emissions sensing system and method incorporating spectral m...
- Patent number 7,400,398
- Issue date Jul 15, 2008
- Environmental Systems Products Holdings Inc.
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
System and method for calibrating remote emissions sensing instruments
- Patent number 7,359,804
- Issue date Apr 15, 2008
- Environmental Systems Products Holdings Inc.
- Mitchell Jared Williams
- G01 - MEASURING TESTING
Information Patent Grant
Exhaust opacity measuring device
- Patent number 7,274,994
- Issue date Sep 25, 2007
- Environmental Systems Products Holdings Inc.
- Donald H. Stedman
- G01 - MEASURING TESTING
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
Exhaust opacity measuring device
- Patent number 7,016,789
- Issue date Mar 21, 2006
- Environmental Systems Products Holdings Inc.
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
Exhaust opacity measuring device
- Patent number 6,701,256
- Issue date Mar 2, 2004
- Environmental Systems Products Holdings Inc.
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
System and method for remote analysis of small engine vehicle emiss...
- Patent number 6,671,630
- Issue date Dec 30, 2003
- Environmental Systems Products Holdings Inc.
- Donald Hugh Stedman
- G01 - MEASURING TESTING
Information Patent Grant
System and method for remote analysis of small engine vehicle emiss...
- Patent number 6,560,545
- Issue date May 6, 2003
- Enviromental Systems Products, Inc.
- Donald Hugh Stedman
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for the detection of sulfur
- Patent number 5,935,519
- Issue date Aug 10, 1999
- Sievers Instruments, Inc.
- Richard L. Benner
- G01 - MEASURING TESTING
Information Patent Grant
Method to detect phosphorus
- Patent number 5,702,954
- Issue date Dec 30, 1997
- Colorado Seminary
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
Process for the detection of sulfur
- Patent number 5,661,036
- Issue date Aug 26, 1997
- Sievers Instruments, Inc.
- Richard L. Benner
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for remote analysis of vehicle emissions
- Patent number 5,498,872
- Issue date Mar 12, 1996
- Colorado Seminary
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for remote analysis of vehicle emissions using reflective...
- Patent number 5,489,777
- Issue date Feb 6, 1996
- Denver Seminary
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
Process for the detection of sulfur
- Patent number 5,424,217
- Issue date Jun 13, 1995
- Sievers Instruments, Inc.
- Richard L. Benner
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for remote analysis of vehicle emissions
- Patent number 5,401,967
- Issue date Mar 28, 1995
- Colorado Seminary dba University of Denver
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Grant
Remote sensor device for monitoring motor vehicle exhaust systems
- Patent number 5,371,367
- Issue date Dec 6, 1994
- Envirotest Systems Corp.
- John DiDomenico
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for remote analysis of vehicle emissions
- Patent number 5,319,199
- Issue date Jun 7, 1994
- Colorado Seminary
- 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
Information Patent Application
SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE...
- Publication number 20130000396
- Publication date Jan 3, 2013
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE...
- Publication number 20120130584
- Publication date May 24, 2012
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE...
- Publication number 20110265552
- Publication date Nov 3, 2011
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE...
- Publication number 20110162435
- Publication date Jul 7, 2011
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Application
REMOTE VEHICLE EMISSIONS SENSING SYSTEM AND METHOD FOR DIFFERENTIAT...
- Publication number 20110153223
- Publication date Jun 23, 2011
- Environmental Systems Products Holdings Inc.
- ROBERT ALLEN GENTALA
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE...
- Publication number 20090272181
- Publication date Nov 5, 2009
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Application
Remote emissions sensing system and method incorporating spectral m...
- Publication number 20070263213
- Publication date Nov 15, 2007
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Application
Exhaust opacity measuring device
- Publication number 20060074567
- Publication date Apr 6, 2006
- Environmental Systems Products Holdings Inc.
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Application
System and method for calibrating remote emissions sensing instruments
- Publication number 20060047445
- Publication date Mar 2, 2006
- Mitchell Jared Williams
- G01 - MEASURING TESTING
Information Patent Application
Exhaust opacity measuring device
- Publication number 20040155191
- Publication date Aug 12, 2004
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Application
Exhaust opacity measuring device
- Publication number 20030225532
- Publication date Dec 4, 2003
- Donald H. Stedman
- G01 - MEASURING TESTING
Information Patent Application
System and method for remote analysis of small engine vehicle emiss...
- Publication number 20030204327
- Publication date Oct 30, 2003
- Donald Hugh Stedman
- G01 - MEASURING TESTING
Information Patent Application
Exhaust opacity measuring device
- Publication number 20030120434
- Publication date Jun 26, 2003
- John Didomenico
- G01 - MEASURING TESTING
Information Patent Application
Multilane remote sensing device
- Publication number 20020092988
- Publication date Jul 18, 2002
- John Didomenico
- G01 - MEASURING TESTING
Information Patent Application
Exhaust opacity measuring device
- Publication number 20020052698
- Publication date May 2, 2002
- John Didomenico
- G01 - MEASURING TESTING
Information Patent Application
System and method for remote analysis of small engine vehicle emiss...
- Publication number 20020010554
- Publication date Jan 24, 2002
- Donald Hugh Stedman
- G01 - MEASURING TESTING

Donald H. Stedman

Person

Patents Grantslast 30 patents

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

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

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

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

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

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

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

Remote emissions sensing system and method incorporating spectral m...

System and method for calibrating remote emissions sensing instruments

Exhaust opacity measuring device

Multilane remote sensing device

Exhaust opacity measuring device

Exhaust opacity measuring device

System and method for remote analysis of small engine vehicle emiss...

System and method for remote analysis of small engine vehicle emiss...

Apparatus for the detection of sulfur

Method to detect phosphorus

Process for the detection of sulfur

Apparatus for remote analysis of vehicle emissions

Apparatus for remote analysis of vehicle emissions using reflective...

Process for the detection of sulfur

Apparatus for remote analysis of vehicle emissions

Remote sensor device for monitoring motor vehicle exhaust systems

Apparatus for remote analysis of vehicle emissions

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...

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

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

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

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...

Remote emissions sensing system and method incorporating spectral m...

Exhaust opacity measuring device

System and method for calibrating remote emissions sensing instruments

Exhaust opacity measuring device

Exhaust opacity measuring device

System and method for remote analysis of small engine vehicle emiss...

Exhaust opacity measuring device

Multilane remote sensing device

Exhaust opacity measuring device

System and method for remote analysis of small engine vehicle emiss...