LandOfFree - US Patents - Listing for Electric lamp and discharge devices

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High-pressure metal vapor discharge lamp

Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device

Patent

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High-pressure metal vapor discharge lamp, and method of its manu

Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope

Patent

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High-pressure metal-halide lamp that includes a...

Electric lamp and discharge devices – Having gas generating material

Reexamination Certificate

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High-pressure sodium discharge lamp

Electric lamp and discharge devices – With gas or vapor – Having a particular total or partial pressure

Patent

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High-pressure sodium discharge lamp

Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope

Patent

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High-pressure sodium discharge lamp

Electric lamp and discharge devices – With gas or vapor – Envelope with particular structure

Patent

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High-pressure sodium discharge lamp comprising a discharge arc s

Electric lamp and discharge devices – With gas or vapor – Having particular electrode structure

Patent

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High-pressure sodium discharge lamp having a color temperature o

Electric lamp and discharge devices – With gas or vapor – Having a particular total or partial pressure

Patent

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High-pressure sodium discharge lamp having reduced lamp voltage

Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope

Patent

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High-pressure sodium discharge lamp with fins radially extending

Electric lamp and discharge devices – With gas or vapor – Envelope with particular structure

Patent

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High-pressure sodium discharge lamp with getter

Electric lamp and discharge devices – With getter – With contained getter

Patent

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High-pressure sodium lamp

Electric lamp and discharge devices – With gas or vapor – Having electrode lead-in or electrode support sealed to...

Reexamination Certificate

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High-pressure sodium lamp

Electric lamp and discharge devices – With gas or vapor – Having a particular total or partial pressure

Patent

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High-pressure sodium lamp

Electric lamp and discharge devices – With gas or vapor – With particular gas or vapor

Patent

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High-pressure sodium lamp

Electric lamp and discharge devices – With gas or vapor – Having particular electrode structure

Patent

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High-pressure sodium lamp

Electric lamp and discharge devices – With gas or vapor – Having a particular total or partial pressure

Patent

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High-pressure sodium lamp

Electric lamp and discharge devices – With gas or vapor – Having particular electrode structure

Patent

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High-pressure sodium lamp spring clip cross piece for electrode

Electric lamp and discharge devices – With gas or vapor – Having electrode lead-in or electrode support sealed to...

Patent

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High-pressure sodium lamp with improved IR reflector

Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope

Patent

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High-pressure sodium vapor discharge lamp

Electric lamp and discharge devices – With gas or vapor – Having specified electrode spacing

Patent

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