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| Number | Title | Issue Date |
| 7833059 | Lamp socket A lamp socket has a housing forming a cavity centered on an axis and having a generally cylindrical side wall and a floor, an internally threaded sleeve coaxially received in the cavity, a central socket contact on the floor at the axis, and an annular disk separate... | 11/16/2010 |
| 7479038 | Lamp base with improved structure of electric conduction A lamp base including an insulating shell connected to a luminous tube; an electric cap which electrically connects with a live voltage source; a T-shaped plastic connecting piece of the electric cap; an electric piece which electrically connects with a neutral powe... | 01/20/2009 |
| 7375456 | Mount for high intensity discharge lamp The HID lamp mount has a discharge tube with two ends. A shroud surrounds the tube. Shroud clips position the shroud ends. The shroud clips have arcuate portions engaging the shroud periphery and transverse portions spanning the shroud diameter and grasping and posi... | 05/20/2008 |
| 7178969 | Mogul lamp holder A lamp holder is disclosed lamp holder that will accept and make electrical contact with a lamp having a predetermined base and will accept, but not make electrical contact with lamps having other bases. A cavity (or central well) in the base (or floor) of the lamp ... | 02/20/2007 |
| 7121891 | Interposer Three-Way Light Bulbs and Sockets can create a condition, where “light flicker” can occur. One way to correct the situation and to reduce the chance of having light flicker is described in this patent. It consists of introducing an “INTERPOSER”, between the ... | 10/17/2006 |
| 6952076 | Lead free base locking mechanism A lamp that utilizes a lamp base locking ring to secure a lamp base shell to a lamp. A hollow light transmitting body terminates in a neck that includes threads and a keyway. A lamp base locking ring having an indentation that extends into to the keyway is disposed ... | 10/04/2005 |
| 6922009 | Electric lamp The electric lamp comprises a lamp vessel (1) having an end portion (3) which is surrounded by a shell portion (22) of a lamp cap (20) having screw thread. The end portion (3) has transversal indents (6). A plastic coupling ... | 07/26/2005 |
| 6913491 | Lamp socket There is disclosed a porcelain lamp socket for use in a humid environment where the socket has a body, a screw shell, a center contact and two terminals; one for the line and the other for the neutral wire connection. The screw shell and the line and neutral termina... | 07/05/2005 |
| 6734633 | Bulb-form lamp and manufacturing method of lamp case In a bulb-form lamp, a threaded portion 31 of a lamp cap 5, that is, a shell 30 is made of a conductive resin. The conductive resin shell 30 and an eyelet 50 constituting the lamp cap 5 are composite parts, which are molded ... | 05/11/2004 |
| 6653770 | Lamp with internally attached eyelet lead, and method therefor Without applying soldering or plasma arc welding, a lead wire is brought into connection with an eyelet easily and reliably so that lighting failure due to incomplete contact is prevented and cost saving is achieved. A base (7) has a screw form shell (8) ... | 11/25/2003 |
| 6582269 | Lamp apparatus and lamp apparatus manufacturing method A lamp apparatus comprises a lamp body, a base mounted to the lamp body, the base including a top end of base connected with a first conductor electrically and a threaded portion connected with a second conductor electrically, the top end of base and the ... | 06/24/2003 |
| 6525455 | Bulb-form lamp and its manufacturing method To provide a bulb-form lamp including a few compartments, which can be easily fitted in a socket of a lighting equipment and reliably carry out electrical contact between a shell and the socket of the lighting equipment. The bulb-form lamp includes a shel... | 02/25/2003 |
| 6488538 | Tube lamp and its manufacturing method The present invention provides a tube lamp and its manufacturing method which allow a lighting circuit and a shell to be easily and reliably connected together, which enable automation of a step of connecting the lighting circuit and the shell together, a... | 12/03/2002 |
| 6469427 | Lamp having improved electrical connection The present invention provides an inexpensive low-pressure mercury vapor discharge lamp having enhanced productivity. The low-pressure mercury vapor discharge lamp comprises an arc tube, a holder for holding the arc tube, a lighting circuit held on the op... | 10/22/2002 |
| 6456001 | Fluorescent lamp having V-shaped grooves for guiding lead wire A fluorescent lamp in which a connecting terminals of a lighting circuit board and lead wires of a fluorescent tube easily can be connected. The lamp includes a fluorescent tube, a holder holding the fluorescent tube, a lighting circuit board provided wit... | 09/24/2002 |
| 6346767 | Lamp with formed, cemented clip to secure base to lamp A lamp has an electrically insulating, light-transmitting, preferably lead-free envelope with a base end and contains a light source. At least two electrical lead-ins are connected to the light source and exit the envelope. A base is affixed to the base e... | 02/12/2002 |
| 6323588 | Locking clip for a lamp base having first, second and third portions A locking clip 10 for fixing a base to an end of a glass bulb. The locking clip 10 has a body 12 with a first portion 14, a middle portion 16 and an end portion 18. The middle portion 16 is scyphate, i.e., cup-shaped, and defines a plane, 20 (FIG. 2). The... | 11/27/2001 |
| 6255763 | Lamp base with flexible sidewall An insulating member for a base for a light emitting bulb has an electrically insulating body formed from a thermoplastic plastic material and having a first surface, a second surface spaced therefrom, and a sidewall connecting the first and second surfac... | 07/03/2001 |
| 6186646 | Lighting fixture having three sockets electrically connected and mounted to bowl and cover plate A lighting fixture having three lights residing in three sockets is disclosed. The light sockets are mounted by brackets to a cover plate. The cover plate is secured to a bowl by means of an interconnecting support in combination with an upper threaded st... | 02/13/2001 |
| 6078128 | Lamp eyelet An electric lamp with an enclosed lamp capsule has reduced production manufacturing losses when manufactured with a split eyelet used to duct a lead through the lamp housing. The elongated tube portion of the eyelet has either thinned wall sections or spl... | 06/20/2000 |
| 6036522 | Shockproof and touch-safe lamp holder and adapter system for lamps A shockproof (touch-safe) lamp holder and adapter system which replaces conventional screw-type holders and bayonet holders is disclosed. The lamp holder complies with the list of requirements demanded by testing authorities for many years. The new lamp s... | 03/14/2000 |
| 5997354 | Plastic housing and base construction especially for compact fluorescent lamps and electronic operating units thereof Plastic housing and base construction, especially for compact fluorescent lamps and operating units thereof comprising a housing (1) which is a cup-like body and a base (2) having a metal base shell (26) and at least one metal central (3) or end contact p... | 12/07/1999 |
| 5990606 | Light bulb base having an enlarging external thread An improved electrically conductive light bulb base for use with common threaded light bulb sockets currently widely used. The improvement combines a substantial reduction in the amount of thread required, by employing a shorter thread that enlarges or in... | 11/23/1999 |
| 5874800 | Lampholder system with mogul base A lampholder for shrouded low-wattage metal halide lamps which include a contact button on an extension of the lamp base to distinguish them from unshrouded lamps. A hub with walls and top is placed about the entrance to an additional cavity in the lampho... | 02/23/1999 |
| 5791927 | Means for sealing a light bulb in a socket A sealing ring is fixed to a light bulb to sealingly contact a top rim of a light bulb-receiving socket to seal the gap between the light bulb and the socket. The sealing ring is flexible and includes a base that is fixed to the light bulb, a bottom secti... | 08/11/1998 |
| 5698935 | Lampholder system with mogul base A lampholder for shrouded low-wattage metal halide lamps which include a contact button on an extension of the lamp base to distinguish them from unshrouded lamps. A hub with walls and top is placed about the entrance to an additional cavity in the lampho... | 12/16/1997 |
| 5616984 | High wattage lamp ferrule and socket system The high current lamp system of the present invention includes a ferrule and socket which are of the same polarity and engage one end of the lamp. The socket is designed to enable the lamp to pivot slightly and permit translation in the direction of the a... | 04/01/1997 |
| 5575459 | Light emitting diode lamp A light emitting diode array mounted on a printed circuit board is provided with capacitive means to reduce voltage, mounted in a glass tube and provided with a standard candelabra or other base for insertion into a light socket in a slim line exit or oth... | 11/19/1996 |
| 5568009 | Electric lamp having a lamp cap with solder-free connections An electric lamp includes a lamp cap having an insulative body of synthetic material with a bore therein. A lamp cap contact includes a rigid shank received in the bore of the insulative body. The diameters of the bore and shank and the elasticity of the ... | 10/22/1996 |
| 5550422 | High intensity arc discharge lamp having clip member to secure base to outer lamp envelope A modified base construction for a high intensity arc discharge lamp is described enabling a single piece screw type conductive base member to be directly secured to the outer lamp envelope. The simplified base construction employs a conductive clip physi... | 08/27/1996 |
| 5521460 | Lamp base locking clip A lamp base locking clip comprises a first end having a given thickness; an intermediate portion having a thickness at least approximately 3 times said given thickness and a second end having said given thickness. The intermediate portion is defined by op... | 05/28/1996 |
| 5511989 | Structure of lamp socket An improved structure of lamp socket in which the socket body consists of two hinged symmetrical halves retained in shape by a hoop; the positive contact metal plate is made of L-shaped configuration mounted in the top of the socket body on the inside and... | 04/30/1996 |
| 5453655 | Single-based incadescent lamp construction To securely and reliably hold a high-voltage, for example service-line voge (110 V, 220 V) halogen incandescent lamp within an outer envelope (2), and forming an electrical connection terminal to a screw-in, or straight-wall tubular base sleeve (3a, 43a)... | 09/26/1995 |
| 5439389 | Structure of lamp socket A lamp socket of the type having a first contact metal plate and a second contact metal plate fastened to a socket body thereof, and a socket cap fastened to the socket body to hold down an electric wire causing the first and second contact metal plates m... | 08/08/1995 |
| 5401191 | Base for a three-way lamp A modified lamp includes first and second filaments contained in an envelope to which power is selectively provided individually or conjunctively to obtain three distinct light levels. A contact member in the lamp base is modified to include a planar surf... | 03/28/1995 |
| 5382869 | Lamp base inner shell A lamp base inner shell including a washer-like base having a cylindrically wall attached at a first end to an outer periphery of the base. The cylindrical wall includes a threaded portion and a plurality of cut-out portions in a second end thereof which ... | 01/17/1995 |
| 5381070 | Lamp base locking clip A lamp base locking clip including a plate having a lip extending outwardly on one end, and a flat portion on the opposite end, is captured in a keyway formed in the glass neck of a lamp body. One of the lamp lead-in wires is welded to the flat portion of... | 01/10/1995 |
| 5367219 | Electric reflector lamp for use with IEC standard The electric lamp includes a moulded reflector body (1) having a neck-shaped portion (12) which has an end portion (13). A lamp cap (2) is connected to the neck-shaped portion (12). An insulator body (5) surrounds the end portion (13). The insulator body ... | 11/22/1994 |
| 5345142 | Single-ended low-pressure discharge lamp A single-ended low pressure discharge lamp having an Edison base includes at least one U-shaped fluorescent tube having electrode leads which are connected to a ballast arrangement disposed in a housing base. The housing base has an upper part on which th... | 09/06/1994 |
| 5306179 | Lamp base and method of forming same A base assembly and method of forming the base assembly for a lamp includes an annular eyelet having an axially outward extending protrusion. The lead wire is fed through the eyelet and folded across the protrusion while a contact member sandwiches the le... | 04/26/1994 |
