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3876896 |
SUBMINIATURE INCANDESCENT BULB WITH LATERAL CONTACT ELEMENTS
A subminiature incandescent bulb in which the overall length of the bulb does not substantially exceed the length of the glass bulb body. U-shaped contact elements protrude through window openings...
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3869631 |
DIODE-CONTAINING INCANDESCENT LAMP HAVING IMPROVED EFFICIENCY
An incandescent lamp, having a glass envelope containing a gas fill and a tungsten filament, has a diode in series with the filament and positioned between the screw base of the lamp and the stem...
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3864598 |
INCANDESCENT LAMP WITH INTERNAL FUSE
An incandescent lamp having a coiled-coil filament connected to at least one formed spud, which is embedded in a pinch seal, contains at least one fuse member internal to the lamp envelope. The...
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3859554 |
ELECTRIC LAMP WITH INTEGRAL PLASTIC BASE MEMBER
An electric lamp having a vitreous envelope with a sealed end portion is permanently and securely fastened to a hollow preformed plastic base member by providing a laterally extending shoulder near...
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3857056 |
WEDGE BASE LIGHT BULB
A wedge base light bulb comprises an inner glass filament support and exhaust tube and an outer glass envelope and base. The bulb filaments are mounted by fusion retention of the filament support...
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3814973 |
ELECTRIC LAMPS OF THE VIBRATING FILAMENT TYPE HAVING A CONDUCTIVE COATING
An incandescent lamp having a movable filament therein which is caused to oscillate in response to the field from a magnet in which at least a portion of the surface of the lamp envelope is coated...
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3798491 |
ROUNDED END HALOGEN LAMP WITH SPIRAL EXHAUST TUBE AND METHOD OF MANUFACUTRE
An incandescent lamp of the tungsten-halogen type having an envelope of an aluminosilicate glass comprising in percent by weight SiO 2 between 59 to 70, Al 2 O 3 between 10 to 20 and BaO between...
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3796914 |
COMBINATION FUSE-MOUNT SUPPORT FOR PROJECTION LAMPS
A fused, four pin base, projection lamp having a combined stabilizing support wire and fuse for providing both alignment maintenance and electrical safety to an elaborate, multi-filament and...
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3790998 |
METHOD OF MAKING A LAMP WITH OSCILLATING FILAMENT
A method is disclosed for selecting the proper filament length in an incandescent lamp designed for operation from a source of alternating current of a given frequency, the lamp having a magnet...
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3788721 |
ELECTRICALLY CONDUCTIVE COMPONENTS
Metal elements, usually of refractory metal, for electrical devices such as filaments for incandescent lamps, discharge lamp cathodes, grids or heaters for thermionic valves and radiation elements...
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3789255 |
NON-SAG INCANDESCENT TUNGSTEN FILAMENT FOR AN INCANDESCENT LAMP
Incandescent lamp incorporates a non-sag tungsten filament having a microstructure comprising a plurality of elongated and interlocking grains disposed along the axial dimension of the filament. A...
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3785020 |
METHOD OF BASING ELECTRICAL DEVICES
A method of electrically connecting an outer wire lead of an electric lamp to the metal shell of the base thereof by flattening a section of the wire lead and soldering the flattened section...
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3781582 |
TRIPLE PURPOSE HEAT SHIELD, LIGHT COLLECTOR AND MOUNT SUPPORT FOR A TUNGSTEN-HALOGEN PROJECTION LAMP
A multi-purpose member used in combination with a tungsten-halogen projection lamp, whereby the multi-purpose member reflects radiation back onto the filament of the projection lamp. The...
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3763390 |
MINIATURE INCANDESCENT LAMP AND APPARATUS AND METHOD FOR MAKING THE SAME
Microminiature incandescent lamp having a tubular envelope with a glass central section and metal end sections heat-sealed to the central section. The envelope contains a filament coil secured to...
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3751779 |
PINCH BASE ELECTRIC LAMP WITH TRANSVERSELY ARRANGED SUPPLY WIRES
A pinch-base lamp and method of making same were foils are sealed in the pinch, and secured to each foil are one end of a pole wire oriented generally parallel to the lamp axis and one end of a...
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3743375 |
HALOGEN FILAMENT LAMP
A method of manufacturing a halogen filament lamp in which a wire supporting the filament of the lamp is used having a meltable metal portion. The meltable metal portion is oriented approximately...
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3737706 |
NUMERICAL DISPLAY DEVICE HAVING FILAMENTARY LIGHT SOURCES
A display device is provided of the type comprising a plurality of electrical resistance filamentary light sources so arrayed that when various combinations of the sources are selectively...
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3736455 |
SUPPORT FOR THE FILAMENT BODY OF A TUBULAR LAMP
A support for the filament body of tubular incandescent lamps, the support being formed by a length of metal wire having a coiled end surrounding the filament body and having an equally coiled...
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3736456 |
ELECTRIC FILAMENT LAMP WITH IMPROVED FILAMENT SUPPORTING MEANS
In order to obtain a good fixation of the location of the filament in the envelope of an electric incandescent lamp, in particular a miniature lamp, a slit or pit-like depression is made in the...
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3735185 |
LAMP ASSEMBLY
A tubular tip-less lamp is manufactured by exhausting and filling the lamp through an open end of an extra long tubular envelope, the other end being sealed. The envelope is then press-sealed at a...
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3723792 |
ELECTRIC INCANDESCENT LAMPS HAVING REFRACTORY METAL PHOSPHATE AND PHOSPHIDE COATINGS FOR REFRACTORY METAL LEADS
Lamps operating at high temperatures, and more particularly incandescent or arc lamps having sealed-in lead-in electrical conductors with improved service characteristics and longer service life...
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3715232 |
SHATTER-RESISTANT INCANDESCENT LAMP
An electric lamp having a glass envelope with a tacky, shatter-resistant silicone rubber coating over the envelope and a coating over that of a hard, heat resistant silicone material to resist the...
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3683226 |
ELECTRIC LAMP APPARATUS HAVING DIFFUSION BARRIER
Improved electric lamp apparatus exhibiting reduced bulb wall darkening includes a diffusion barrier adjacent the interior of the lamp envelope wall in the vicinity of the lamp electrode or...
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3681640 |
RIBBON CONDUCTOR PRESS SEAL STRUCTURE
A lead-in conductor assembly for electric lamps is detailed. The lead-in conductor assembly comprises wire-type lead-in connected to opposite ends of ribbon-type lead-ins, with the ribbon-type...
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3678319 |
FILAMENT SUPPORT FOR TUBULAR LAMP
The invention relates to an electric filament lamp having a tubular envelope, in which a coiled coil filament is stretched. The filament is supported by a wire support a coiled part of which...
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3668391 |
TUNGSTEN HALOGEN LAMP HAVING IMPROVED SEAL OF MOLYBDENUM ALUMINIDE
A tungsten halogen lamp has molybdenum ribbon connectors embedded within a press seal of the lamp. A molybdenum lead-in wire extends from each ribbon connector externally of the press seal. The...
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3668456 |
LAMP HAVING IMPROVED PRESS SEAL
A thin refractory metal ribbon is completely embedded in the press seal of a high silica glass lamp envelope. One end of the ribbon is securely held within a longitudinal slot of a lamp lead-in...
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3663798 |
AN INFRARED HEATING SURFACE
A heating or cooking system which includes an infrared heating source disposed below a surface transparent to infrared radiation which is directed upwardly through the surface. The surface may be...
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3662208 |
REFLECTOR TYPE INCANDESCENT LAMPS
In a reflector type incandescent lamp having a concave reflector and a front glass, an electroconductive coating of transparent metal oxides is applied on the inner surface of the front glass and...
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3648095 |
ELECTRIC INCANDESCENT LAMP SIMULATING A CANDLE FLAME
An electric incandescent lamp having a filament, a glass flare, a bulb, a base, a pumping stem for evacuating the bulb during manufacture and electrical conductors connecting the base and the...
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3644776 |
BROMINE FILLED BIPOST LAMP WITH A HIGH-TEMPERATURE RESISTANT GLASS ENVELOPE
A relatively low-cost, high-maintenance incandescible bipost lamp is described. The lamp has a vitreous, high-temperature-resistant glass envelope, an operative atmosphere containing bromine, with...
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3636398 |
SUBMINIATURE ELECTRIC LAMP HAVING A COMPOSITE ENVELOPE
The lamp, which may be of the incandescent or photoflash-type, has an envelope composed of segments of light-transmitting and infrared-radiation absorbing glass tubing that are sealed together in...
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3634722 |
TUNGSTEN HALOGEN LAMP HAVING IMPROVED FILAMENT SUPPORT
A tungsten halogen lamp has a coiled coil filament tensionally mounted and axially disposed within a fused silica tubular envelope. A support rod extends substantially parallel to the filament for...
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3622832 |
INTERCHANGEABLE TUNGSTEN HALOGEN LAMP
An incandescent lamp of the type known as a halogen cycle lamp having a quartz envelope selectively positioned in a supporting base of the socket-type having a centering and stabilizing pin and...
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3611010 |
SERIES-TYPE ELECTRIC INCANDESCENT LAMP WITH INTEGRAL AUTOMATIC CUTOUT MEANS
Selected portions of the lead wires located within the envelope are provided with a coating of electrically nonconductive material, such as copper oxide, and are held in contact with one another by...
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3602761 |
EXPLOSION PROOF QUARTZ-HALOGEN LAMP
A quartz-halogen lamp has a coiled filament connected to a ribbon connector by a tungsten conductor, the ribbon connector being embedded within a press seal of the lamp envelope. The diameter of...
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3579021 |
INCANDESCENT LAMP HAVING LINEAR OUTPUT
The coiled filament of an elongated tubular incandescent lamp is axially mounted and supported therein by spacers bearing against the inside wall of the lamp envelope. The space between filament...
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3555338 |
INCANDESCENT LAMP
A single-ended quartz-halogen lamp which includes a vitreous glass envelope containing a halogen for regeneratively gettering tungsten particles which evolve from the filament and a reflector...
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3555342 |
SINGLE-ENDED INCANDESCENT PROJECTION LAMP HAVING DUAL SERIES-CONNECTED FILAMENTS AND AN INTEGRAL GRIPPING CAP
A pair of elongated filaments, preferably of coiled coil construction, are suspended in side-by-side longitudinally-extending relationship within a tubular quartz envelope that contains a halogen...
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3549933 |
QUARTZ LAMPS
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3549946 |
INCANDESCENT LAMP WITH OSCILLATING FILAMENT
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3548243 |
ELECTRIC LIGHT BULB AND TERMINAL CAP ASSEMBLY
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3548245 |
QUARTZ-TO-METAL FOIL PINCH SEAL
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3543962 |
HIGH WATTAGE QUARTZ HALOGEN LAMP
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3544830 |
QUARTZ-HALOGEN LAMP AND METHOD OF MAKING
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3541381 |
PLUG-IN LIGHTING ASSEMBLY
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3535812 |
ILLUMINATED FISHING LURE
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3535577 |
TUBULAR ELECTRIC INCANDESCENT LAMP WITH FILAMENT AND CURRENT SUPPLY WIRES SPACED FROM TUBE WALLS
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3534217 |
INCANDESCENT LAMP HAVING AN ENVELOPE WITH A CAP FORMED ON THE BASE THEREOF TO PREVENT AXIAL MOVING RELATIVE TO SAID CAP
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3529035 |
HIGH STRENGTH SILICONE ELASTOMERS
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