| Patents for H01K 1 - Details (7,905) |
|---|
| 01/30/1991 | CN2070502U Incandescent lamp with multi-light |
| 01/30/1991 | CN2070501U Safety convenient light-adjustable energy-saving bulb |
| 01/29/1991 | US4988912 Electric lamp and method of manufacturing same |
| 01/29/1991 | US4988911 Lamp with improved photometric distribution |
| 01/28/1991 | CA2021820A1 Electric reflector lamp |
| 01/28/1991 | CA2021819A1 Electric reflector lamp |
| 01/23/1991 | EP0409554A2 Optical interference coatings and lamps using same |
| 01/23/1991 | EP0409553A2 Mount for a lamp |
| 01/23/1991 | CN2070035U Spare light bulb |
| 01/23/1991 | CN2070032U Halogen tungsten headlight made of glass |
| 01/20/1991 | CA2017473A1 Cement-type mount for a lamp including means for protecting the lamp exhaust-tube tip against fracture |
| 01/16/1991 | CN2069614U Improved structure for fixed electric bulb component part |
| 01/16/1991 | CN1048629A Electric lamp |
| 01/15/1991 | US4985656 Lamp with re-enforced tubular base pins |
| 01/09/1991 | EP0406948A1 Electric lamp |
| 01/09/1991 | EP0406938A2 Electric incandescent lamp |
| 01/09/1991 | CN2069170U Dual filament lamp adjustable with revolving circular ring switch |
| 01/09/1991 | CN2069169U Long-life incandescent lamp |
| 01/09/1991 | CN1048465A Halogen-tungsten lamp for automobiles and its sealing technique |
| 01/08/1991 | US4983001 Titanium oxide, tantalum oxide, silica, prevention of interlayer peeling |
| 01/08/1991 | CA1278817C Incandescent lamp having an improved axial mounting structure for a filament |
| 01/05/1991 | CA2020161A1 Electric lamp |
| 01/02/1991 | CN2068724U Multipurpose long service bulb |
| 01/01/1991 | US4982132 Reflector lamp assembly utilizing reflector that snaps into connector |
| 12/27/1990 | EP0404459A2 Incandescent lamp having good colour rendering properties at a high colour temperature |
| 12/25/1990 | US4980602 Electric lamp and socket therefor |
| 12/18/1990 | US4979082 Relieved plastic lamp base |
| 12/13/1990 | DE4006289A1 Halogen lamp support system - with fluorocarbon spacer between insulating part of lamp and metal fixing member |
| 12/12/1990 | EP0401637A2 Electric lamp |
| 11/28/1990 | CN2066621U Clip and screw universal socket |
| 11/27/1990 | US4973881 Automatic shut-off device for an electric lamp |
| 11/27/1990 | US4973878 Filament structure and method of making such structure |
| 11/21/1990 | CN2066202U Direct current light bulb |
| 11/14/1990 | EP0397422A2 Filament support for incandescent lamps |
| 11/14/1990 | EP0397226A1 Electric lamp and holder for such a lamp |
| 11/14/1990 | EP0396910A2 Base for a small incandescent lamp |
| 11/13/1990 | US4970428 Double-ended miniature lamp |
| 11/07/1990 | CN2065364U Lamp bulb combination unit |
| 11/07/1990 | CN1010356B Electric incandecent lamp and blown glass bulb therefor |
| 10/24/1990 | CN2064539U Illumining reflector lamps with partial metal-plating |
| 10/23/1990 | US4965490 Scent-generating lamp using mating parts |
| 10/23/1990 | US4965485 Halogen lamp envelope with roughened surface area and optical film |
| 10/23/1990 | US4964829 Internal lamp reflector |
| 10/17/1990 | EP0392456A2 Method of producing incandescent lamps with an halogen filling and lamp produced by the method |
| 10/10/1990 | EP0391482A2 Electric incandescent lamp |
| 10/10/1990 | CN1046067A Cementation device for nonmetal lamp holder |
| 10/04/1990 | DE4001896A1 Halogen-inert-gas lamp esp. for motor vehicle - has leads welded into diametrically opposed eyelets through optical disc to provide support for lamp bulb |
| 10/04/1990 | DE3910044A1 Halogen radiator |
| 10/03/1990 | EP0389717A2 Ultraviolet ray-shielding tube |
| 10/03/1990 | CN2063292U Double-life bulb and lamp holder |
| 09/30/1990 | CA2008849A1 Reflective lamps having an improved light source mounting arrangement |
| 09/27/1990 | DE4008817A1 Reflektorlampen-einheit Reflector lamp unit |
| 09/25/1990 | US4959586 Electric incandescent lamp |
| 09/25/1990 | US4959585 Electric incandescent lamp and method of manufacture therefor |
| 09/25/1990 | US4959583 Reflective lamps having an improved light source mounting arrangement |
| 09/19/1990 | EP0387910A2 Tube type incandescent lamp |
| 09/19/1990 | CN2062498U Optical controlled lamp |
| 09/19/1990 | CN2062497U 变色灯泡 Color bulb |
| 09/12/1990 | EP0387099A2 Incandescent lamp and locating body therefor |
| 09/12/1990 | CN1009599B Blow lamp bulb and electric lamp provided with such bulb |
| 09/04/1990 | CA1273675A1 Incandescent lamp having enhanced light diffusion |
| 08/29/1990 | EP0384240A2 Electrical lamp capped without cement |
| 08/29/1990 | CN1009406B Electric lamp |
| 08/28/1990 | US4952838 Surface mount miniature incandescent lamp assembly |
| 08/28/1990 | CA1273393A1 Tubular electric incandescent lamp |
| 08/22/1990 | EP0383634A2 Ultraviolet-suppressed light source, coating agent used in the same, and method for manufacturing the same |
| 08/22/1990 | CN2060946U Steering bulbs without wicks for automobile |
| 08/21/1990 | US4950942 Cementless lamp bulb and base combination |
| 08/16/1990 | EP0382303A2 Electric lamp |
| 08/15/1990 | CN1044736A Electric lamp |
| 08/14/1990 | US4949005 Tantala-silica interference filters and lamps using same |
| 08/08/1990 | EP0381269A1 Electric lamp |
| 08/08/1990 | CN2060260U Energy-saving bulb or lamp base |
| 08/08/1990 | CN1009147B Electric lamp having mirror-coated lamp vessel |
| 07/31/1990 | US4945285 Lamp for scanning apparatus |
| 07/18/1990 | EP0378333A1 Scent-generating lamp using mating parts |
| 07/18/1990 | CN1008853B Electric incandescent lamp for operation at mains voltage |
| 07/18/1990 | CN1008852B Electric incandescent lamp and blown glass bulb therefor |
| 07/17/1990 | US4942331 Filament alignment spud for incandescent lamps |
| 07/17/1990 | CA1271806A1 Motor vehicle headlight with self-centering lug assembly |
| 07/11/1990 | CN2059270U Sleeve light adjusting lamp |
| 07/10/1990 | CA1271513A1 Tungsten halogen lamp fill mixture comprising a phosphorous-based compound and a carbon-containing compound |
| 07/04/1990 | EP0376712A2 Double bulb halogen lamp |
| 06/27/1990 | EP0375402A2 Quartz lamp envelope with molybdenum foil having oxidation-resistant surface formed by ion implantation |
| 06/27/1990 | EP0374927A2 Halogen incandescent lamp |
| 06/27/1990 | EP0374345A2 Incandescent lamps including a combined getter |
| 06/27/1990 | CN1008573B Electric lamp and method for manufacturing same |
| 06/26/1990 | CA1270887A1 Tipless light source having a double-ended tubular envelope for tungsten-halogen incandescent and metal vapor discharge lamps |
| 06/20/1990 | EP0373632A2 Lamp filament support construction |
| 06/19/1990 | US4935662 Electric lamp having a coiled incandescent filament and filament movement restraint means |
| 06/19/1990 | US4934951 Holder for small incandescent light bulbs |
| 06/19/1990 | US4934793 NVG compatible LCD |
| 06/16/1990 | CA2005583A1 Lamp filament support construction |
| 06/12/1990 | US4932901 Wedge-base lamp and socket assembly |
| 06/06/1990 | EP0371553A1 Coloured electric lamp |
| 06/06/1990 | CN1042804A Halogen incandescent lamp and method of manufacturing halogen incandescent lamp |
| 06/05/1990 | CA1270038A1 High temperature electric lamp having a sealing glass containing oxides of bismuth, boron and lead |
| 06/05/1990 | CA1270036A1 Motor vehicle headlight |
| 05/30/1990 | EP0370554A1 Halogen incandescent lamp and method of manufacturing a halogen incandescent lamp |
| 05/30/1990 | EP0370318A2 Fill for high temperature tungsten-halogen lamps |