| Patents for H01K 3 - Apparatus or processes adapted to the manufacture, installing, removal or maintenance of incandescent lamps or parts thereof (2,889) |
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| 09/05/1996 | DE19607355A1 Potassium-doped tungsten wire esp. for incandescent lamp filament |
| 09/04/1996 | CN2234651Y Lamp bulb filament bending tool |
| 08/28/1996 | CN2234133Y Single axle transmission type filament-installing machine |
| 08/14/1996 | CN2233118Y Filament storage cylinder featured coaxial and radial elastic expanding plate |
| 08/08/1996 | WO1996024157A1 Electric incandescent lamp and process for producing electric incandescent lamps |
| 08/08/1996 | CA2211857A1 Electric incandescent lamp and process for producing electric incandescent lamps |
| 07/31/1996 | EP0723943A1 Method for making a tantala/silicia interference filter on a vitreous substate and an electric lamp made thereby |
| 07/28/1996 | CA2167957A1 Method of making a tantala/silica interference filter on a vitreous substrate and an electric lamp made thereby |
| 06/04/1996 | US5523650 Electric incandescent lamp with a quartz glass lamp vessel and quartz glass tube for said lamp |
| 04/25/1996 | DE19539051A1 Bending and vibration resistant, non-sagging tungsten@ wire |
| 04/09/1996 | US5506471 Headlamp |
| 04/09/1996 | US5506460 Precision drive system for independently driven coaxial shafts, particularly to make coiled electric lamp filaments |
| 03/20/1996 | CN1031372C Assembling method for filament and lead-out wire |
| 03/19/1996 | US5500569 Electrically modulatable thermal radiant source and method for manufacturing the same |
| 02/20/1996 | US5493177 For forming a microstructure |
| 01/24/1996 | CN1115494A Rotating-proof festival bulb shaping technique and apparatus thereof |
| 12/13/1995 | EP0686998A1 Light source |
| 11/29/1995 | CN2214037Y Continuous light test device of light bulb |
| 11/21/1995 | US5468168 Means for supporting and sealing the lead structure of a lamp and method for making such lamp |
| 10/26/1995 | DE4413859A1 Incandescent or fluorescent lamp mfr. |
| 10/17/1995 | US5458026 Lamp base removing tool |
| 10/11/1995 | EP0676910A2 Method and apparatus for manufacturing curved radiators, especially incandescent halogen lamps, and radiators produced by this method |
| 10/11/1995 | CN2209833Y Tungsten filament of automatic winder |
| 10/04/1995 | CN2209386Y Lamp bulb replacer |
| 09/27/1995 | CN2208743Y Filament winding cylinder |
| 09/06/1995 | CN1108002A Apparatus and method for manufacturing electric bulbwick |
| 08/23/1995 | CN2205990Y High-speed filament winder for lamp |
| 08/02/1995 | CN2204456Y Mounting and demounting device for bulb at high position |
| 07/25/1995 | US5436526 Method of placing a single-capped electric lamp in a lampholder, single-capped electric lamp designed for this purpose, and luminaire provided with the single-capped electric lamp |
| 06/14/1995 | DE4443354A1 Lichtquelle mit einem optischen Interferenzüberzug Light source with an optical interference coating |
| 06/11/1995 | CA2137585A1 Patterned optical interference coatings for electric lamps |
| 06/07/1995 | CN2200231Y Sectional telescopic-control type connecting line shape tungsten filament putting cylinder |
| 06/06/1995 | US5422534 Tantala-silica interference filters and lamps using same |
| 05/24/1995 | EP0654814A2 Tantala-silica interference filters and lamps using same |
| 05/24/1995 | CN2198665Y Automatic expanding linking line tungsten wire fixing tube |
| 05/17/1995 | CN2197746Y Leading wire shaping machine |
| 05/17/1995 | CN1028463C Double-end squeezing halogen glow lamp |
| 05/04/1995 | WO1995012211A1 Sealed micromachined vacuum and gas filled devices |
| 04/27/1995 | DE4427417A1 Special combination halogen tongs |
| 04/06/1995 | DE4435261A1 Quarzlampe Quartz lamp |
| 04/04/1995 | US5404069 Filament support for incandescent lamps |
| 03/15/1995 | EP0643021A1 Electric incandescent lamp with a quartz glass lamp vessel and quartz glass tube for said lamp |
| 03/01/1995 | CN2190822Y Guide wire clamp for producing electrooptical resource |
| 02/28/1995 | US5394313 Lamp assembly with integral bulb replacement tool |
| 02/14/1995 | US5389853 Incandescent lamp filament with surface crystallites and method of formation |
| 02/07/1995 | US5386744 Broken bulb removal tool |
| 01/18/1995 | CN2187838Y Multi-function pen type cutter |
| 12/20/1994 | US5374872 Means for supporting and sealing the lead structure of a lamp and method for making such lamp |
| 12/06/1994 | US5370942 Porous surface layer sintered from refractory metal powder having a melting point of above 2000 degrees |
| 11/09/1994 | CN2182462Y Fixing bulb-changing clamp |
| 11/02/1994 | CN2181751Y Electrically-operated high-speed filament winder |
| 09/21/1994 | CN2177996Y Bulb positioning device |
| 09/15/1994 | DE4305695A1 Device for removing or inserting lamps to which screens have been fitted at the front |
| 09/14/1994 | CN1092204A Multistations semi-automatic lamp tube butt-welding machine |
| 09/07/1994 | EP0614211A1 Pearlescent lamp |
| 09/07/1994 | CN2176601Y Multifunctional safety apparatus for replacing light bulb |
| 09/07/1994 | CN2176600Y Flatting apparatus for screw base of colour light bulb |
| 09/07/1994 | CN2176599Y Automatic raw-material mixing and feeding mechanism of lamp making machine |
| 09/06/1994 | US5345144 Lamp with internally pressed fuse |
| 09/02/1994 | CA2114404A1 Pearlescent lamp |
| 08/25/1994 | DE4305139A1 Device for removing and/or inserting lamps with glass bulbs |
| 08/09/1994 | US5336969 Ultraviolet absorber coating on quartz glass lamp |
| 07/27/1994 | CN2172913Y Auxiliary bulb-locating means |
| 07/21/1994 | DE4343933A1 Electric drive for appts. with several, coaxial, driven shafts |
| 07/20/1994 | EP0607016A1 Method and apparatus for providing wire support for an electric lamp |
| 07/13/1994 | CN1089391A Sealing-in method for electrodes of projecting incandescent lamps |
| 07/13/1994 | CA2103415A1 Method and apparatus for providing wire support for an electric lamp |
| 06/22/1994 | CN2169920Y Double function light column |
| 06/07/1994 | US5317939 Light bulb changing device |
| 05/31/1994 | US5316512 Lamp puller |
| 05/25/1994 | EP0598539A2 Tantala-silica interference filters and lamps using same |
| 05/18/1994 | EP0597679A1 Means for supporting and sealing the lead structure of a lamp and method for making such lamp |
| 05/10/1994 | US5310374 Electric lamp with foil seal construction and method of producing the same |
| 04/19/1994 | US5305224 Fuzzy control for a lamp glass pipe sealing process |
| 04/13/1994 | CN2161997Y Stem self-feeding adjuster for machine attaching of light bulb to mount |
| 03/10/1994 | DE4229435A1 Solvent and molybdenum@ recovery in dissolution of core in mfr. of incandescent lamp tungsten@ wire coil - by cyclic process using constant temp. in reactor and adjustment outside reactor for optimum results |
| 02/24/1994 | DE4227686A1 Measuring gas density in gas insulated systems - involves using special heating wire or functional wire to measure heat transport as measure for gas density |
| 02/16/1994 | CN1082250A Connecting method of filament with lead-out wire |
| 02/15/1994 | CA2104094A1 Lamp with internally pressed fuse |
| 02/15/1994 | CA2104091A1 Method of making a lamp with an internally pressed fuse |
| 02/08/1994 | US5285131 Vacuum-sealed silicon incandescent light |
| 01/19/1994 | CN2153864Y Device for placing or removing bulb |
| 12/29/1993 | CN2151362Y Lamp height fixing mechanism for lamp-post |
| 12/15/1993 | EP0573632A1 Methods for mounting filaments in tubular incandescent lamp capsules |
| 12/07/1993 | CA1325036C Getter for incandescent lamps |
| 12/01/1993 | CN2148396Y Tool for placing or removing light bulb on high |
| 12/01/1993 | CN2148395Y Autocontrolled checking structure of core bead foot wire for automatic bulb base threader |
| 11/25/1993 | WO1993023207A1 Tool for removal and replacement of light bulbs |
| 11/20/1993 | CA2068983A1 Tool for removal and replacement of light bulbs |
| 11/17/1993 | CN2146782Y Device for placing or removing high-level bulbs |
| 10/27/1993 | CN2144865Y Tool for placing or removing lighting bulb and fluorescent lamp tube |
| 10/27/1993 | CN1077820A Tool specially for attaching and detaching signal lamp |
| 09/29/1993 | EP0562871A1 Filament support for incandescent lamps |
| 09/28/1993 | CA2089276A1 Filament support for incandescent lamps |
| 09/15/1993 | EP0560420A1 Electric incandescent infrared lamp and method of manufacturing this lamp |
| 08/25/1993 | CN2141125Y Flat-clamping closing means for fluorescent lamp |
| 08/24/1993 | US5238436 Lamp air exhausting apparatus |
| 08/19/1993 | WO1993016325A1 Xenon festoon style lamp |
| 08/03/1993 | US5233264 Electric incandescent lamp |
| 07/21/1993 | CN1074555A High alumina glass tubular halogen tungsten lamp and manufacture thereof |