Matches 101 - 150 out of 384 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
4673840 Ruggedized mount structure for tungsten halogen lamp  
A tungsten-halogen lamp has a ruggedized mount structure employing tri-partite lead-in wires sealed in a soft glass stem and a hard glass capsule. Heavier intermediate sections provide support...
4652789 Incandescent lamp with bulb having IR reflecting film  
This invention relates to an incandescent lamp bulb comprising a visible light transmitting and infrared ray reflecting film formed on at least either one of the inside and outside of a tubular,...
4644220 Filament-centering mounting for flashlight bulbs  
A stiffener is bonded to the bead of the flashlight bulb and extends along and between the pins. The stiffener includes indexing surfaces for use in laterally positioning the stiffener and...
4626735 Incandescent lamp having two lead-in conductors sealed within one end and including expansion means  
A tungsten-halogen lamp including a tubular quartz envelope wherein both of the lead-in conductors designed for providing electrical energy to the lamp's coiled filament are strategically...
4622488 Internally fused electric lamp with partially embedded fuse wire  
A lamp includes a tube which forms part of a sealed vessel, extending between a lamp cap and a pinch at an end of the tube inside the vessel. A current supply conductor extending between a cap...
4618799 Flashlight bulb  
An improved flashlight bulb in which excessive wandering of the glass envelope with respect to the filament during the sealing phase of manufacture is prevented by fusing a spacer bead to the wires...
4604553 Baseless incandescent lamp  
A baseless incandescent lamp having various embodiments all with a single glass unit forming an outer envelope, complementary threads for mating with an electrical socket and an insulative stem is...
4600857 Lamp with integral heat sink  
A lamp having an integral heat sink that gives off heat as well as light during operation. The heat sink intersects the surface of the lamp adjacent the lamp filament for maximum heat transfer...
4598194 Quartz infra-red lamps  
An infra-red lamp consists of a quartz tubular envelope sealed at each end with a respective pinch seal. A tungsten filament supported within the envelope is electrically connected, via a...
4598226 Concave conical foil-filament lamp  
An incandescent electric lamp with a concave conical foil filament suspended by mounting tabs inside a ring conductor between concave conical front and rear bulb walls. Current flows from a center...
4584502 Electric incandescent lamp  
An electric incandescent lamp having a bead mount and a filament which extends transversely to the lamp axis. Current supply wires in the pinch seal lie in a plane which encloses an angle of at...
4556786 Heating apparatus  
Heating apparatus includes a tray having a layer of insulative material disposed therewithin, above which a number of infra-red lamps are supported. The ends of each lamp are provided with a pinch...
4551616 Heating apparatus  
Heating apparatus includes a tray having a layer of insulative material disposed in the base thereof and a number of infra-red lamps disposed thereabove. The apparatus is accommodated within a...
4539509 Quartz to metal seal  
A lead-free sealing glass consisting essentially of, in parts by weight, 8-25 BaO, 20-35 B 2 O 3 , and 45-72 Sb 2 O 3 except for incidental impurities, residual fluxes and refining agents...
4539505 Candoluminescent electric light source  
An electric lamp has a candoluminescent filament. The filament has a resistive core which is heated electrically. Infrared radiation emitted by the resistive core is converted to visible light by a...
4536676 Lamp assembly  
An incandescent lamp assembly has a generally elliptical vitreous envelope including a cylindrical neck, stem mount with a pair of lead-in wires, and a screw-in base capped on the cylindrical...
4499398 Incandescent lighting  
An improved incandescent light bulb which is capable of affording increased light efficiency without a resultant increase in either cost or energy consumption. In one embodiment of the bulb, said...
4499401 Triple coil incandescent filament  
This invention relates to a single strand filament wire arranged into a triple-coil filament for an incandescent lamp. The triple-coil filament has selected dimensions that do not require...
4496874 Electric lamp having a mechanically connected lamp cap  
In a lamp according to the invention the use of cement for connecting the lamp cap (4) has been avoided by using a split metal ring (8). The neck-shaped lamp envelope portion (2) has recesses (13)...
4492893 Dual filament halogen cycle automotive-type incandescent lamp  
To provide for cementless attachment of a halogen cycle incandescent bulb ) to a positioning ring (2) formed with a flange-like extension (6a) and a generally sleeve-like projection (6), the press...
4488082 Bi-fitted incandescent electric light bulbs with internal electrically parallel conductors  
An incandescent electric light bulb is provided with two fittings, typically two opposed screw-threaded bases, each with two terminals. The bulb is provided with internal parallel conductors...
4473770 Baseless incandescent lamp assembly  
A baseless incandescent lamp assembly comprises a baseless incandescent lamp including a flattened seal section and a pair of external lead wires, a main socket body including a lamp holding...
4468585 Wedge base lamp socket  
A wedge base lamp assembly that includes a lamp socket having a base with opposed side walls and back walls extending integrally therefrom with a lamp-receiving aperture defined between the side...
4464600 Lamp unit having accurately positioned filament  
A light bulb is held by a base having an outer base member surrounding an inner member holding the bulb and which is secured to the outer base member after being adjusted longitudinally, laterally,...
4461969 Incandescent electric lamp with means for reducing effects of deposition of filament material  
An incandescent electric lamp having a filament which incandesces and produces a vapor of the metal of the filament which normally deposits on the wall. A coating is placed on the filament wall...
4459506 Incandescent illuminating device with antifragility coating  
An incandescent illuminating device having an antifragility coating covering at least a substantial portion of the glass envelope, the antifragility coating comprising a mixture of a relatively...
4453106 Compression base lamp  
A lamp comprising a tubular quartz envelope having a mounting base compression fitted to one end thereof.
4441051 Lamp seal glass  
A lamp seal glass is described suitable for direct hermetic sealing to molybdenum which consists essentially of oxides in approximate percent by weight 52-60 SiO 2 , 11-17 Al 2 O 3 , 11-16 BaO,...
4414484 Electric incandescent lamp  
In an electric incandescent lamp having a tungsten filament with a number of light-emissive sections (5, 7) connected by a non-light-emissive conductor, complicated constructions are often used so...
4409516 Rounded end halogen lamp with exhaust tube having different glass  
An incandescent lamp of the tungsten halogen type is disclosed which includes the tipped-off residue of an exhaust tube formed with a high temperature aluminosilicate glass comprising in...
4392076 Attachment of base to lamp unit  
A lamp unit having a housing containing a ballast and provided with a screw base. The base fits over an end of the housing and is attached thereto by a low-cost resin material which, in cooperation...
4385257 Lamp base  
The invention relates to a base for a cartridge lamp of the type having at least one filament mounted on filament support legs extending through a seal of the bulb. According to the invention, a...
4371807 Incandescent lamp with mechanically attached base  
To attach the base to a lamp without using base cement, adhesive or the l, the base is made as a two-part element, one being an outer base sleeve and the other an inner insert snugly matching the...
4370589 Filament connector means for electric incandescent lamp  
The inner ends of the lead-in wires of an electric incandescent lamp are serrated and welded to uncoiled leg portions of the tungsten filament so that the members are fused to one another at a...
4354137 Incandescent lamp having seal-anchored filament mount, and method of making such lamp  
The envelope of a compact halogen-cycle incandescent lamp is made from hard glass and the uncoiled legs of the tungsten filament are used as filament connector-support members by fastening them...
4340841 Internal shunt for series connected lamps  
An improved operation shunt for series connected incandescent-type lamps is disclosed utilizing a novel shunt material composition comprising an admixture of conductive metal particulates, an...
4331901 Electric incandescent lamp  
In the electric incandescent lamps having an infrared radiation-reflecting filter which is pervious to visible light, the efficiency can be increased by adapting the geometry of the filter and the...
4328534 Candle type illuminating lamp  
A lamp body is internally provided with an electromagnet and an electric circuit for exciting the electromagnet intermittently at given time intervals. A movable member having a wick type bulb...
4317060 Bowl mirrored lamp  
Bowl mirrored lamps according to the invention have a filament which is arranged asymmetrically with respect to the axis of the lamp envelope and surrounds the axis over an angle greater than 180°...
4307318 Miniature lamp and method  
A miniature lamp having a vitreous envelope with a generally tubular shaped bulb section and a press seal section with flattened parallel side portions. The bulb section encloses an elongated...
4300068 Article capable of creating a moire effect  
An article, illustratively a lamp bulb envelope, for creating a moire effect has a plurality of transparent and nontransparent regions on its surface. When viewed from a point external to the...
4296352 Incandescent lamp  
An improved incandescent lamp filament is described having an inner core of doped tungsten crystals with a surface layer of chemically vapor deposited undoped tungsten crystals. The inner core...
4295185 Filament mount assembly for miniature incandescent lamp, and method of manufacture  
Precise placement of one or more coiled filaments within the envelope of a miniature type incandescent lamp is achieved by positioning the coil legs in end-to-end abutting relationship with the...
4283653 High emissivity filament for energy conserving incandescent lamps with infrared radiation returning envelopes  
An incandescent lamp having a coating thereon which returns infrared energy to the filament to decrease the amount of power consumed by the lamp in order to maintain the filament at a predetermined...
4280076 Incandescent lamp with structure for collecting evaporated filament material  
An incandescent electric having a filament which incandesces and produces a vapor of the metal of the filament which normally deposits on the envelope wall. Structures are provided adjacent the...
4256989 Incandescent lamp with filament mounting means and socket adaptor  
An incandescent electric lamp having an envelope with a portion through which a pair of lead-in studs are brought out, the filament leads being connected to the studs. The lamp is sealed off in the...
4254358 Incandescent lamp  
An incandescent lamp includes a bulb formed of a light-transmissible material, a stem portion for supporting lead-in wires having a filament, and a connector positioned between the bulb and the...
4249101 Incandescent lamp with infrared reflecting-visible energy transmitting coating and misaligned filament  
An incandescent electric lamp having an envelope and means for reflecting infrared energy back to the filament to increase its operating temperature while transmitting visible energy. The envelope...
4243907 Lamp having reduced width press-seal  
A tungsten-halogen lamp having a tubular envelope of quartz or high silica glass has a press-seal at one end which is reduced in width by the removal of right-angled sections from opposite lower...
4233543 Internal shunt for series connected lamps  
An improved shunt for series connected lamps is disclosed in which two strips of anodized aluminum foil are fastened together around the inner lead wires of the lamp.
Matches 101 - 150 out of 384 < 1 2 3 4 5 6 7 8 >