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Dennis J. Duven
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Silver Spring, MD, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ensemble oscillator and related methods
Patent number
7,317,361
Issue date
Jan 8, 2008
The Johns Hopkins University
Dennis J. Duven
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Adaptive Kalman Filter process for controlling an ensemble clock
Patent number
6,958,951
Issue date
Oct 25, 2005
The Johns Hopkins University
Dennis J. Duven
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
GPS receiver tracking system
Patent number
6,934,630
Issue date
Aug 23, 2005
The John Hopkins University
Lloyd A. Linstrom
G01 - MEASURING TESTING
Information
Patent Grant
Extended kalman filter for autonomous satellite navigation system
Patent number
6,859,170
Issue date
Feb 22, 2005
The Johns Hopkins University
William S. Devereux
G01 - MEASURING TESTING
Information
Patent Grant
Weak signal and anti-jamming Global Positioning System receiver and...
Patent number
6,724,343
Issue date
Apr 20, 2004
The Johns Hopkins University
Mark S. Asher
G01 - MEASURING TESTING
Information
Patent Grant
Autonomous satellite navigation system
Patent number
6,608,589
Issue date
Aug 19, 2003
The Johns Hopkins University
William S. Devereux
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Ensemble oscillator and related methods
Publication number
20050024156
Publication date
Feb 3, 2005
Dennis J. Duven
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Adaptive Kalman Filter Process for controlling an ensemble clock
Publication number
20050024157
Publication date
Feb 3, 2005
Dennis J. Duven
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Gps receiver tracking system
Publication number
20040010369
Publication date
Jan 15, 2004
Lloyd A Linstrom
G01 - MEASURING TESTING
Information
Patent Application
Weak signal and anti-jamming Global Positioning System receiver and...
Publication number
20030201934
Publication date
Oct 30, 2003
Mark S. Asher
G01 - MEASURING TESTING
Information
Patent Application
Extended kalman filter for autonomous satellite navigation system
Publication number
20030132878
Publication date
Jul 17, 2003
William S. Devereux
G01 - MEASURING TESTING