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

Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp

Tungsten-halogen incandescent and metal vapor discharge lamps an

Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp

Tungsten-halogen incandescent lamp containing additive to reduce

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

Tungsten-halogen incandescent lamp with reduced risk of containm

Electric lamp and discharge devices – With getter – Plural

Tungsten-halogen lamp with free floating getter

Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp

Tungsten-halogen lamp with means for reducing filament embrittle

Electric lamp and discharge devices – With getter – Incandescent lamp type

Tungsten-halogen lamp with metal additive

Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp

Tungsten-halogen lamp with organic and inorganic getters

Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp

Tungsten-halogen lamp with preferential tungsten deposition site

Electric lamp and discharge devices – With getter – Incandescent lamp type

Tungsten-halogen lamp with variably positionable getter

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

Tungsten-halogen light bulb, and reflector lamp using the same

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

Tungsten-iridium impregnated cathode

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium

Tungsten-rhenium filament and method for producing same

Electric lamp and discharge devices – With gas or vapor – Electrode composition

Tungsten-rhenium filament and method for producing same

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

Tungsten-thorium dioxide-aluminum oxide mass for a high-temperat

Electric lamp and discharge devices – Liquid electrode discharge devices – Auxiliary starting or holding electrode

Tungsten/bromine cycle lamp

Electric lamp and discharge devices – Cathode ray tube – Storage

Tunneling emitter with nanohole openings

Electric lamp and discharge devices – With temperature modifier – Having heat conducting path

Two kilowatt short arc lamp having a metal heat-transfer pad

Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube

Two sided fluorescent indicator panel

Electric lamp and discharge devices – Photosensitive – Having phosphor screen

Two stage light converting vacuum tube