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Eldon W. Ziegler Jr.
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Columbia, MD, US
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last 30 patents
Information
Patent Grant
Remotely accessible energy control system
Patent number
6,731,992
Issue date
May 4, 2004
Atlantic Software, Inc.
Eldon W. Ziegler
G05 - CONTROLLING REGULATING
Information
Patent Grant
Electronic cancellation of DC motor noise
Patent number
6,259,224
Issue date
Jul 10, 2001
Noise Cancellation Technologies, Inc.
Dexter Smith
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Low cost controller
Patent number
5,627,746
Issue date
May 6, 1997
Noise Cancellation Technologies, Inc.
Eldon W. Ziegler
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Adaptive canceller filter module
Patent number
5,563,817
Issue date
Oct 8, 1996
Noise Cancellation Technologies, Inc.
Eldon W. Ziegler
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of logical operations in home automation
Patent number
5,510,975
Issue date
Apr 23, 1996
Atlantic Software, Inc.
Eldon W. Ziegler
G05 - CONTROLLING REGULATING
Information
Patent Grant
In-wire selective active cancellation system
Patent number
5,126,681
Issue date
Jun 30, 1992
Noise Cancellation Technologies, Inc.
Eldon W. Ziegler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital virtual earth active cancellation system
Patent number
5,105,377
Issue date
Apr 14, 1992
Noise Cancellation Technologies, Inc.
Eldon W. Ziegler
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Active sound attenation system for engine exhaust systems and the like
Patent number
5,097,923
Issue date
Mar 24, 1992
Noise Cancellation Technologies, Inc.
Eldon W. Ziegler
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Fluid temperature monitoring system
Patent number
4,994,792
Issue date
Feb 19, 1991
Eldon W. Ziegler
G08 - SIGNALLING
Information
Patent Grant
Sound attenuation system for personal seat
Patent number
4,977,600
Issue date
Dec 11, 1990
Noise Cancellation Technologies, Inc.
Eldon W. Ziegler
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Selective active cancellation system for repetitive phenomena
Patent number
4,878,188
Issue date
Oct 31, 1989
Noise Cancellation Tech
Eldon Ziegler
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Monitoring, testing and operator controlling of active noise and vi...
Patent number
4,862,506
Issue date
Aug 29, 1989
Noise Cancellation Technologies, Inc.
Harris B. Landgarten
G10 - MUSICAL INSTRUMENTS ACOUSTICS