| Patents for F21V 23 - Arrangement of electric circuit elements in or on lighting devices (46,764) |
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| 03/21/1991 | WO1991003684A1 Portable light socket dimmer |
| 03/20/1991 | EP0417502A2 Electrical underwater device, especially lamp |
| 03/20/1991 | CN2073536U Seperated light facility with high performance electronic flusrescent lamp |
| 03/19/1991 | US5000402 Kite illumination system |
| 03/13/1991 | CN2073079U Energy-saving fluorescent lamp |
| 03/12/1991 | US4999757 Niche mounted light fixture |
| 03/12/1991 | US4999752 Electric lamp with multiple power connectors |
| 03/12/1991 | US4999750 Flashlight with rotatable head assembly |
| 03/07/1991 | DE4021680A1 Jointed low-voltage lampholder with resilient coaxial connector - incorporates split ring of cheeks sprung against inner cylindrical surface of threaded ring within holder |
| 03/07/1991 | DE4003778A1 Rotatable and pivotable electric lamp for room lighting - has adaptors mounted for rotation about colinear axes of threaded bolt and output shaft of motor |
| 03/07/1991 | DE4003754A1 Rotatable and pivotable electric lamp for room lighting - is operated by remote control using modulated IR radiation directed at protected photoreceiver on lamp support |
| 03/06/1991 | CN2072639U Easily dismounting mine explosion-proof energy-saving fluorescent lamp |
| 03/06/1991 | CN2072638U Thread incandescent lamp electricity-saving life-prolonging unit |
| 03/05/1991 | US4998190 Arrangement for an attachment for an electrical device |
| 02/26/1991 | US4996636 Low voltage light fixture |
| 02/19/1991 | US4994944 Decorative lighting system |
| 02/19/1991 | CA1280391C Flashlight with adjustable lamp housing |
| 02/15/1991 | CA2023102A1 Rotatable bulb socket assembly |
| 02/12/1991 | US4992913 Light-bulb holder for household appliances |
| 02/12/1991 | US4992912 Multifunctional sounding and lighting device |
| 02/06/1991 | EP0411859A1 Festoon lighting |
| 02/05/1991 | US4991065 Lighting system |
| 01/30/1991 | EP0410582A1 Space lighting fitting |
| 01/29/1991 | US4989120 Enhanced lighting for ornaments |
| 01/17/1991 | DE3931744A1 Light and sound generator used in mouth - has light-emitting diodes or liquid crystal display providing joke visual effect |
| 01/17/1991 | DE3922024A1 Battery-powered lamp for vehicular and domestic uses - has provision for recharging of nickel-cadmium cells via choice of alternative plug-terminated electrical leads |
| 01/15/1991 | US4985813 Light for emergency use |
| 01/03/1991 | DE3920057A1 Artificial lightning flash device for show or firework display - deflects initiated arc to successive electrode discharge paths |
| 01/01/1991 | US4982176 Solar powered lighting and alarm systems activated by motion detection |
| 12/26/1990 | CN2068282U Socket and base jointed type electronic energy-saving fluorescent lamp |
| 12/20/1990 | DE3914356A1 Battery-powered warning lamp e.g. for roadworks site - has standby battery which is substituted automatically by relay in low-voltage monitoring circuit |
| 12/19/1990 | EP0402845A2 Spotlight with infinitely variable light intensity |
| 12/19/1990 | EP0402654A2 Connection device for the connection of electrical appliances |
| 12/19/1990 | EP0368874A4 Fluorescent reflector lamp assembly |
| 12/18/1990 | US4979080 Flashing light apparatus designed for newspaper vending machines |
| 12/18/1990 | US4978319 Strip mounted adapter supporting a lamp and featuring conductive spade engaging apparatus |
| 12/13/1990 | DE3917920A1 Hand-lamp with carrier having duct for cable - has wall of duct made of resilient elastic material in region of retainer |
| 12/11/1990 | US4977490 Fluorescent light fitting and system |
| 12/05/1990 | EP0400594A2 Flashlight |
| 11/30/1990 | CA2017708A1 Flashlight |
| 11/29/1990 | WO1990014703A1 Lamp with metal oxide vaporized mirror |
| 11/29/1990 | DE4016454A1 Lighting hood for food display counter - has low wattare high pressure sodium vapour discharge tubes with broad spectrum output and reflectors |
| 11/29/1990 | DE3917101A1 Lighting array with comprehensive programme control - has 3 channel controller, remote keyboard, servo positioner, dimmer and colour mixing facility for 3 prim. colours |
| 11/29/1990 | DE3916667A1 Articulated joint for standard lamp column - uses identical hollow cups, friction ring and prestressed spring clip to form secure swivel-joint |
| 11/29/1990 | DE3912299A1 Modular mounting for fluorescent HV display tubes - has plug-in unit construction and easily substituted discharge tube suitable for signs |
| 11/27/1990 | US4974135 Structure of adjustable desk lamp |
| 11/27/1990 | US4974134 Illumination device having underground storage position |
| 11/27/1990 | US4973835 Actively-illuminated accessory |
| 11/22/1990 | EP0398369A2 Lamp |
| 11/06/1990 | WO1990013879A1 Location marker |
| 11/06/1990 | US4969070 Fluorescent fixture housing |
| 11/06/1990 | US4968884 Vertically sensitive outdoor lighting controls |
| 11/06/1990 | CA2054194A1 Location marker |
| 10/24/1990 | EP0393900A2 A discharge tube arrangement |
| 10/23/1990 | US4965875 Flourescent lamp |
| 10/23/1990 | US4965457 Removable panel illuminating module |
| 10/18/1990 | DE3911901A1 Explosion protected light - has housing with cover that locates on formed projections of base |
| 10/11/1990 | DE3912204A1 Battery operated warning light for e.g. construction site or barriers - has at least one under-voltage monitor which operates alarm if voltage falls below specified value |
| 10/11/1990 | DE3911109A1 Lighting systems, which switch automatically and in a non-contacting manner, in movable filing cabinets - displacement system |
| 10/11/1990 | DE3911005A1 Circuit for feeding low-voltage lamps |
| 10/09/1990 | US4962347 Flashlight with battery tester |
| 10/03/1990 | EP0389659A1 Projector |
| 09/20/1990 | DE4002589A1 Explosion resistant housing for point discharge lamp - divided internally into two chambers fitted with rear cover and lamp glass sized for different lamps |
| 09/19/1990 | EP0285627B1 Lighting system with lamps arranged between two low-voltage conductors |
| 09/19/1990 | CN1009637B Assembly of headlight and connector |
| 09/18/1990 | CA1274227A1 Electric torch or flashlight |
| 09/11/1990 | US4956756 Table lamp adapter system |
| 09/11/1990 | US4956755 Mechanical actuation |
| 09/07/1990 | WO1990010175A1 Cassette light, powering unit therefor, multi-dynamic smart magnetic structure and method |
| 09/04/1990 | US4954951 System and method for increasing memory performance |
| 08/28/1990 | US4952157 Light fixture connector |
| 08/21/1990 | US4951183 Focusable flashlight |
| 08/21/1990 | US4951046 Runway lighting system |
| 08/21/1990 | US4950959 Cassette light, powering unit therefore, multi-dynamic smart magnetic structure and method |
| 08/21/1990 | US4950958 Elongated, bendable lamp |
| 08/14/1990 | US4949229 Light-bulb holding device for household appliances |
| 08/14/1990 | CA1272708A1 Motor vehicle lighting assembly |
| 07/26/1990 | DE3902016A1 Installation system for low-voltage lamps |
| 07/26/1990 | DE3900908A1 Accumulator-powered electrical apparatus (electrical appliance powered by a rechargeable battery) |
| 07/24/1990 | US4944036 Signature filter system |
| 07/17/1990 | US4942516 Single chip integrated circuit computer architecture |
| 07/17/1990 | US4942505 Miniature flashlight |
| 07/11/1990 | EP0377109A1 Housing for a street-lamp |
| 07/10/1990 | US4940860 Waterproof switching device |
| 07/03/1990 | US4939628 Switch mechanism for a flashlight |
| 07/03/1990 | US4939420 Fluorescent reflector lamp assembly |
| 06/28/1990 | WO1990007209A1 Adapter for a compact discharge lamp in a lamp fitting |
| 06/28/1990 | WO1990007083A1 Lighting device |
| 06/27/1990 | EP0375011A1 Tanning apparatus |
| 06/27/1990 | EP0374724A1 Electrical supply rail for lighting fixtures |
| 06/26/1990 | US4937718 Discharge lamp luminaire |
| 06/26/1990 | US4937487 Picture element lamp assembly for information display system |
| 06/26/1990 | US4936789 Method and apparatus for preventing the theft of a fluorescent lamp and ballast transformer |
| 06/20/1990 | CN1043084A Tanning apparatus |
| 06/19/1990 | US4934956 Low voltage lighting strip and method for producing same |
| 06/13/1990 | EP0372494A2 Constant color temperature and intensity illumination source |
| 06/12/1990 | US4933820 Lighting system |
| 06/05/1990 | US4931914 Ballast and optical housings for grade mounted light fixture |
| 06/05/1990 | US4931696 Fluorescent lamp starter assembly |
| 05/31/1990 | DE3934785A1 Lampenhalter- und klemmenplatte, insbesonderefuer haushaltsgeraete Lampenhalter- and clamping plate, especially for household appliances |