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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Chromatographic system temperature control system
Patent number
10,502,721
Issue date
Dec 10, 2019
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Grant
Chromatographic system temperature control system
Patent number
10,481,136
Issue date
Nov 19, 2019
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Grant
Chromatographic system temperature control system
Patent number
10,481,137
Issue date
Nov 19, 2019
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Grant
Chromatographic system temperature control system
Patent number
10,324,069
Issue date
Jun 18, 2019
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Grant
Photo ionization detector for gas chromatography having at least tw...
Patent number
9,188,570
Issue date
Nov 17, 2015
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Grant
Pulsed discharge helium ionization detector with multiple combined...
Patent number
8,963,554
Issue date
Feb 24, 2015
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Grant
Photo ionization detector for gas chromatography having two separat...
Patent number
8,829,914
Issue date
Sep 9, 2014
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Grant
Adaptive temperature controller
Patent number
8,772,680
Issue date
Jul 8, 2014
Valco Instruments Company, L.P.
Stanley D. Stearns
G05 - CONTROLLING REGULATING
Information
Patent Grant
Adaptive temperature controller
Patent number
8,642,931
Issue date
Feb 4, 2014
Valco Instruments Company, L.P.
Stanley D. Stearns
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method of modulating a second carrier for partial modulation via pu...
Patent number
7,601,543
Issue date
Oct 13, 2009
Valco Instruments Co., Inc.
Huamin Cai
G01 - MEASURING TESTING
Information
Patent Grant
Partial modulation via pulsed flow modulator for comprehensive two-...
Patent number
7,507,586
Issue date
Mar 24, 2009
Valco Instruments Co., Inc.
Huamin Cai
G01 - MEASURING TESTING
Information
Patent Grant
Adaptive temperature controller
Patent number
7,442,902
Issue date
Oct 28, 2008
Valco Instruments Co., Inc.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Grant
Partial modulation via pulsed flow modulator for comprehensive two-...
Patent number
7,091,044
Issue date
Aug 15, 2006
Valco Instruments Co., Inc.
Huamin Cai
G01 - MEASURING TESTING
Information
Patent Grant
Gas detector with modular detection and discharge source calibration
Patent number
6,842,008
Issue date
Jan 11, 2005
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Grant
System for detecting compounds in a gaseous sample using photoioniz...
Patent number
5,767,683
Issue date
Jun 16, 1998
Stanley D. Stearns
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Chromatographic System Temperature Control System
Publication number
20190323999
Publication date
Oct 24, 2019
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Application
Chromatographic System Temperature Control System
Publication number
20190265208
Publication date
Aug 29, 2019
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Application
Chromatographic System Temperature Control System
Publication number
20190265209
Publication date
Aug 29, 2019
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Application
Chromatographic System Temperature Control System
Publication number
20180246074
Publication date
Aug 30, 2018
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Application
Photo ionization detector for gas chromatography having at least tw...
Publication number
20140347062
Publication date
Nov 27, 2014
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Application
Photo ionization detector for gas chromatography having two separat...
Publication number
20140132277
Publication date
May 15, 2014
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Application
Adaptive Temperature Controller
Publication number
20140076885
Publication date
Mar 20, 2014
Valco Instruments Company, L.P.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Application
Pulsed discharge helium ionization detector with multiple combined...
Publication number
20140053627
Publication date
Feb 27, 2014
Valco Instruments Company, Inc.
Stanley D. Stearns
G01 - MEASURING TESTING
Information
Patent Application
Adaptive Temperature Controller
Publication number
20090045187
Publication date
Feb 19, 2009
VALCO INSTRUMENTS CO., INC.
Stanley D. Stearns
G05 - CONTROLLING REGULATING
Information
Patent Application
Adaptive Temperature Controller
Publication number
20070210285
Publication date
Sep 13, 2007
VALCO INSTRUMENTS CO., INC.
Stanley D. Stearns
G05 - CONTROLLING REGULATING
Information
Patent Application
Partial modulation via pulsed flow modulator for comprehensive two-...
Publication number
20060115904
Publication date
Jun 1, 2006
Valco Instruments Co., Inc.
Huamin Cai
G01 - MEASURING TESTING
Information
Patent Application
Partial modulation via pulsed flow modulator for comprehensive two-...
Publication number
20050048662
Publication date
Mar 3, 2005
Huamin Cai
G01 - MEASURING TESTING
Information
Patent Application
Gas detector with modular detection and discharge source calibration
Publication number
20040178800
Publication date
Sep 16, 2004
Stanley D. Stearns
G01 - MEASURING TESTING