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Patents Grants
last 30 patents
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Patent Grant
Method and circuit arrangement for operating a discharge lamp
Patent number
7,619,369
Issue date
Nov 17, 2009
Koninklijke Philips Electronics N.V.
Pavel Pekarski
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Patent Grant
Method of accurately controlling a cooling process of a high power...
Patent number
7,380,963
Issue date
Jun 3, 2008
Koninklijke Philips Electronics, N.V.
Wouter Jozef Maes
F21 - LIGHTING
Patents Applications
last 30 patents
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Patent Application
Lamp with Housing Arrangement for the Reduction of Mercury Exposure...
Publication number
20080303442
Publication date
Dec 11, 2008
Koninklijke Philips Electronics, N.V.
Holger Moench
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
Cooled High-Pressure Gas-Discharge Lamp
Publication number
20080218078
Publication date
Sep 11, 2008
Koninklijke Philips Electronics N.V.
Holger Monch
H01 - BASIC ELECTRIC ELEMENTS