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Christopher John White
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Portola Valley, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of and apparatus for in-situ measurement of soot by electron...
Patent number
9,546,970
Issue date
Jan 17, 2017
Active Spectrum, Inc.
James Robert White
G01 - MEASURING TESTING
Information
Patent Grant
Miniature tunable filter
Patent number
9,287,599
Issue date
Mar 15, 2016
Active Spectrum, Inc.
Christopher John White
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of and apparatus for in-situ measurement of degradation of a...
Patent number
8,829,904
Issue date
Sep 9, 2014
Active Spectrum, Inc.
James R. White
G01 - MEASURING TESTING
Information
Patent Grant
Method of and apparatus for analysis of the composition of a sample...
Patent number
8,648,596
Issue date
Feb 11, 2014
Active Spectrum, Inc.
Colin T. Elliott
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for in-situ measurement of soot by electron sp...
Patent number
8,212,563
Issue date
Jul 3, 2012
Active Spectrum, Inc.
James Robert White
G01 - MEASURING TESTING
Information
Patent Grant
Method of and apparatus for in-situ measurement of degradation of a...
Patent number
8,125,224
Issue date
Feb 28, 2012
Active Spectrum, Inc.
James R. White
G01 - MEASURING TESTING
Information
Patent Grant
Method of and apparatus for in-situ measurement of changes in fluid...
Patent number
7,868,616
Issue date
Jan 11, 2011
Active Spectrum, Inc.
James White
G01 - MEASURING TESTING
Information
Patent Grant
Ultra-high frequency self-sustaining oscillators, coupled oscillato...
Patent number
7,724,103
Issue date
May 25, 2010
California Institute of Technology
Xiao-Li Feng
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method of and apparatus for in-situ measurement of degradation of a...
Patent number
7,589,529
Issue date
Sep 15, 2009
Active Spectrum, Inc.
James White
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for a solid-state atomic frequency standard
Patent number
7,030,704
Issue date
Apr 18, 2006
California Institute of Technology
Christopher White
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF AND APPARATUS FOR IN-SITU MEASUREMENT OF SOOT BY ELECTRON...
Publication number
20120265426
Publication date
Oct 18, 2012
James Robert White
G01 - MEASURING TESTING
Information
Patent Application
METHOD OF AND APPARATUS FOR IN-SITU MEASUREMENT OF DEGRADATION OF A...
Publication number
20120133364
Publication date
May 31, 2012
James R. White
G01 - MEASURING TESTING
Information
Patent Application
METHOD OF AND APPARATUS FOR ANALYSIS OF THE COMPOSITION OF A SAMPLE...
Publication number
20110025328
Publication date
Feb 3, 2011
Colin T. Elliott
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
METHOD AND APPARATUS FOR IN-SITU MEASUREMENT OF SOOT BY ELECTRON SP...
Publication number
20090230962
Publication date
Sep 17, 2009
James Robert White
G01 - MEASURING TESTING
Information
Patent Application
Variable electric circuit component
Publication number
20090180235
Publication date
Jul 16, 2009
James Robert White
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of and apparatus for in-situ measurement of degradation of a...
Publication number
20090115416
Publication date
May 7, 2009
James R. White
G01 - MEASURING TESTING
Information
Patent Application
ULTRA-HIGH FREQUENCY SELF-SUSTAINING OSCILLATORS, COUPLED OSCILLATO...
Publication number
20080204152
Publication date
Aug 28, 2008
CALIFORNIA INSTITUTE OF TECNOLOGY
Xiao-Li (Philip) Feng
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method of and apparatus for in-situ measurement of changes in fluid...
Publication number
20080164874
Publication date
Jul 10, 2008
James White
G01 - MEASURING TESTING
Information
Patent Application
Variable electrical circuit component
Publication number
20070228870
Publication date
Oct 4, 2007
James Robert White
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and apparatus for a solid-state atomic frequency standard
Publication number
20050088248
Publication date
Apr 28, 2005
Christopher White
G04 - HOROLOGY