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William L. Keith
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Algonquin, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic ballast with dimming circuit
Patent number
9,035,571
Issue date
May 19, 2015
Koninklijke Philips N.V.
Robert A. Erhardt
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Universal RF wireless sensor interface
Patent number
8,514,072
Issue date
Aug 20, 2013
Koninklijke Philips Electronics N.V.
Kent E. Crouse
G08 - SIGNALLING
Information
Patent Grant
Lighting commissioning device and method
Patent number
8,049,434
Issue date
Nov 1, 2011
Koninklijke Philips Electronics N.V.
Kent E. Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Software controlled electronic dimming ballast
Patent number
8,035,308
Issue date
Oct 11, 2011
Universal Lighting Technologies, Inc.
Kent Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
System and method for charging a control device from a lighting system
Patent number
7,851,737
Issue date
Dec 14, 2010
Koninklijke Philips Electronics N.V.
Kent E. Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic ballast with lamp type determination
Patent number
7,589,472
Issue date
Sep 15, 2009
Koninklijke Philips Electronics N.V.
William L. Keith
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic ballast with lamp type determination
Patent number
7,521,876
Issue date
Apr 21, 2009
Koninlijke Philips Electronics, N.V.
William L. Keith
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Software controlled electronic dimming ballast
Patent number
7,443,113
Issue date
Oct 28, 2008
Universal Lighting Technologies, Inc.
Kent Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic ballast having open circuit in output
Patent number
6,720,741
Issue date
Apr 13, 2004
Universal Lighting Technologies, Inc.
Kent E. Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light modulating electronic ballast
Patent number
6,333,605
Issue date
Dec 25, 2001
Energy Savings, Inc.
Gueorgui L. Grouev
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic ballast with filament cut-out
Patent number
5,973,455
Issue date
Oct 26, 1999
Energy Savings, Inc.
Grigoriy Mirskiy
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Microprocessor controlled electronic ballast
Patent number
5,925,990
Issue date
Jul 20, 1999
Energy Savings, Inc.
Kent E. Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic ballast with reversely wound filament winding
Patent number
5,789,866
Issue date
Aug 4, 1998
Energy Savings, Inc.
William L. Keith
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
DIGITALLY CONTROLLED ELECTRONIC BALLAST WITH ANTI-STRIATION CONTROL...
Publication number
20140210371
Publication date
Jul 31, 2014
Koninklijke Philips N.V.
William Lawrence Keith
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
DEVICE AND METHOD FOR AUTOMATICALLY DETECTING INSTALLED LAMP TYPE
Publication number
20130187562
Publication date
Jul 25, 2013
Koninklijke Philips Electronics N.V.
William Lawrence Keith
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ELECTRONIC BALLAST WITH DIMMING CIRCUIT
Publication number
20120200232
Publication date
Aug 9, 2012
Koninklijke Philips Electronics N.V.
Robert A. Erhardt
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ELECTRONIC BALLAST WITH TRANSFORMER INTERFACE
Publication number
20090189545
Publication date
Jul 30, 2009
Koninklijke Phillips Electronics N..V.
William L. Keith
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WIRELESS BUILDING AUTOMATION AND CONTROL NETWORK
Publication number
20090150004
Publication date
Jun 11, 2009
Koninklijke Philips Electronics, N.V.
Ling Wang
G05 - CONTROLLING REGULATING
Information
Patent Application
Lighting System Control Device Charging System and Method
Publication number
20080265782
Publication date
Oct 30, 2008
Koninklijke Philips Electronics, N.V.
Kent E. Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Universal Rf Wireless Sensor Interface
Publication number
20080266050
Publication date
Oct 30, 2008
Koninklijke Philips Electronics, N.V.
Kent E. Crouse
G08 - SIGNALLING
Information
Patent Application
Lighting Commissioning Device and Method
Publication number
20080218087
Publication date
Sep 11, 2008
Koninklijke Philips Electronics, N.V.
Kent E. Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Electronic Ballast with Lamp Type Determination
Publication number
20080218171
Publication date
Sep 11, 2008
Koninklijke Philips Electronics N.V.
William L. Keith
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Electronic ballast with lamp type determination
Publication number
20070090822
Publication date
Apr 26, 2007
Koninklijke Philips Electronic, N.V.
William L. Keith
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Software controlled electronic dimming ballast
Publication number
20060175983
Publication date
Aug 10, 2006
Kent Crouse
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Thermal-efficient power converter enclosure for solar panels
Publication number
20060124167
Publication date
Jun 15, 2006
Xuejun Fan
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Electronic ballast having open circuit in output
Publication number
20030146716
Publication date
Aug 7, 2003
Energy Savings, Inc.
Kent E. Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR