Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
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08/02/1988 | CA1239980A1 Arc tube dosing process for unsaturated high pressure sodium lamp |
08/02/1988 | CA1239978A1 Low-pressure mercury vapour lamp containing amalgam |
08/02/1988 | CA1239976A1 Discharge lamp having multiple constrictions |
08/02/1988 | CA1239970A1 Metal halide lamp with arc tube shield support |
08/02/1988 | CA1239969A1 Low wattage metal halide discharge lamp electrically biased to reduce sodium loss |
08/02/1988 | CA1239810A1 Mo-ti members with non-metallic sintering aids |
07/27/1988 | EP0275924A2 Improvements relating to the lining of pipelines and passageways |
07/27/1988 | EP0275580A1 Molybdenum base alloy and lead-in wire made therefrom |
07/27/1988 | CN87100212A Burstproof lamp socket |
07/26/1988 | US4760501 Headlamp system |
07/20/1988 | EP0274780A1 Low-pressure mercury vapour discharge lamp |
07/20/1988 | CN87210717U Fluorescent lamp with double set of filament |
07/19/1988 | US4758759 Lamp with light-source capsule support members having equal thermal conductivity |
07/19/1988 | CA1239437A1 High intensity radiation method and apparatus having improved liquid vortex flow |
07/19/1988 | CA1239436A1 High-pressure discharge lamp |
07/13/1988 | EP0274269A1 Fluorescent light source for liquid crystal displays |
07/13/1988 | EP0274107A2 Electric lamp |
07/12/1988 | US4757427 Irradiation device comprising a short arc discharge lamp |
07/12/1988 | US4757236 High pressure metal halide arc lamp with xenon buffer gas |
07/07/1988 | DE3643374A1 Tubular lamp body consisting of quartz glass, method and device for its production |
07/06/1988 | EP0273505A1 High-pressure gas discharge lamp |
07/06/1988 | EP0273442A2 Electric lamp with composite safety coating and process of manufacture |
07/05/1988 | US4755721 High pressure sodium vapor lamp having unsaturated vapor pressure type characteristics |
07/05/1988 | US4755712 Molybdenum base alloy and lead-in wire made therefrom |
07/05/1988 | US4755710 High-pressure sodium discharge lamp having reduced lamp voltage increase |
07/05/1988 | US4755492 Yttrium oxide ceramic body |
07/05/1988 | US4755056 Instrument for spectroscopy having metal halide lamp as light source |
07/05/1988 | CA1238937A1 Ingredients for solenoidal metal halide arc lamps |
07/05/1988 | CA1238936A1 Reflector lamp and lighting systems particularly suitable for architectural lighting |
06/29/1988 | EP0272930A2 Ceramic envelope device for high-pressure discharge lamp |
06/29/1988 | EP0272687A2 Tungsten duplex composite electrode and filament material |
06/29/1988 | EP0272652A2 Scandium oxide additions to metal halide lamps |
06/29/1988 | CN87107424A High-pressure gas discharge lamp |
06/29/1988 | CN87107295A Low-pressure mercury vapour discharge lamp |
06/28/1988 | US4754373 Automotive headlamp |
06/28/1988 | US4754198 Circuit breaker |
06/28/1988 | US4754197 Arc discharge lamp assembly simulating gaslight |
06/28/1988 | US4754195 High-pressure discharge lamp, and method of its manufacture |
06/28/1988 | US4754194 Flourescent light bulb |
06/28/1988 | US4754193 Mercury dispenser for arc discharge lamps |
06/22/1988 | EP0271927A2 A method to reduce color temperature variation in metal halide arc tubes |
06/22/1988 | EP0271911A2 Rare earth halide light source with enhanced red emission |
06/22/1988 | EP0271877A2 Improved in-lead for sodium and metal-halide lamps |
06/22/1988 | EP0271763A1 Thyristor ignition device |
06/22/1988 | CN85100269B Gas discharge lamp of halogen complex compound of rare-earth and alkali metal |
06/21/1988 | US4752718 High intensity discharge lamp with integral means for arc extinguishing |
06/21/1988 | CA1238359A1 High-pressure high-frequency discharge lamp |
06/16/1988 | WO1988004471A1 Process for enhancing the ignition performance of discharge lamps, ignition accessory arrangement and discharge lamp equipped therewith |
06/15/1988 | EP0270890A2 Motor vehicle headlamp unit |
06/15/1988 | EP0270866A2 Aluminum oxide reflector layer for fluorescent lamps |
06/14/1988 | US4751435 Dual cathode beam mode fluorescent lamp with capacitive ballast |
06/14/1988 | US4751432 High-pressure discharge lamp |
06/14/1988 | US4751426 Fluorescent lamp using multi-layer phosphor coating |
06/14/1988 | CA1238076A1 Ceramic envelope device for high-pressure discharge lamp |
06/08/1988 | EP0270083A2 Low-pressure discharge lamp |
06/08/1988 | EP0270004A2 Gas discharge lamp and apparatus utilizing the same |
06/08/1988 | EP0269958A2 High-pressure discharge lamp having a single pinch |
06/08/1988 | EP0269957A2 High-pressure discharge lamp having a single pinch |
06/07/1988 | US4750096 Fluorescent light fixture |
06/07/1988 | US4749905 High pressure discharge lamp |
06/07/1988 | US4749902 Lamp with a bulb made of a high silica content glass |
06/01/1988 | EP0269360A2 Improvements in or relating to metal vapour discharge lamps |
06/01/1988 | EP0269016A2 Flat fluorescent lamp having transparent electrodes |
06/01/1988 | CN85101677B High-voltage discharge lamp |
05/31/1988 | US4748380 Compact fluorescent lamp assembly having improved thermal dissipation and RFI suppression |
05/31/1988 | US4748374 Terbium |
05/31/1988 | US4748368 Three way gas discharge lamp |
05/31/1988 | US4747479 Device for the testing and/or processing of small component parts |
05/25/1988 | CN87204180U Energy-saving long life fluorescent lamp with auto connecting spare filament |
05/24/1988 | US4746840 Fluorescent reflector lamp assembly |
05/24/1988 | US4746835 Fluorescent lamp device having oval cross sectional tubes |
05/24/1988 | US4746832 Controlling the vapor pressure of a mercury lamp |
05/24/1988 | US4746346 Method for producing air-tight, heat-resistant plate |
05/24/1988 | CA1237111A1 Light-source capsule containment device and lamp employing such device |
05/19/1988 | WO1988003702A1 Fluorescent discharge tube with capacitive ballast, standardized cap, forming a compact assembly |
05/19/1988 | DE3638508A1 Explosion-proof or flameproof (explosion-protected) fluorescent lamp |
05/19/1988 | DE3638507A1 Explosion-proof or flameproof (explosion-protected) fluorescent lamp |
05/18/1988 | EP0267340A1 Fluorescent lamp |
05/18/1988 | EP0098858B1 Power supply conductor, essentially for vacuum apparatus, and manufacturing method thereof |
05/17/1988 | US4745335 Magnesium vapor discharge lamp |
05/17/1988 | US4745333 Auxiliary electrodes in fluorescent lamps for preventing irregular light flickering |
05/17/1988 | US4745323 Compact fluorescent lamp with outer envelope |
05/11/1988 | EP0266821A1 High-pressure discharge lamp |
05/11/1988 | EP0266812A1 Luminescent alumino-silicate and/or alumino-borate glass comprising lanthanum and/or gadolinium and luminescent screen provided with such a glass |
05/10/1988 | US4743810 Circuit arrangement for operating a high-pressure discharge lamp |
05/10/1988 | US4743799 Low pressure arc discharge light source unit |
05/05/1988 | WO1988003327A1 Coloured electric light devices |
05/05/1988 | DE3636901A1 Method for operating a high-pressure sodium-vapour discharge lamp |
05/04/1988 | EP0265983A1 Luminescent quartz glass, method of preparing such a glass and luminescent screen provided with such a glass |
05/04/1988 | CN87209926U Longevity lamp |
05/03/1988 | US4742269 Ceramic envelope device for high-pressure discharge lamp |
05/03/1988 | US4742268 High cold spot temperature |
05/03/1988 | US4741712 Low-profile socket for single-ended, high-pressure discharge lamp |
04/27/1988 | EP0265266A1 Electric discharge lamp |
04/27/1988 | EP0265022A1 Assembly of a low-pressure sodium discharge lamp and a feeding apparatus, a low-pressure sodium discharge lamp and a lamp holder suitable for use in the assembly |
04/27/1988 | EP0265012A1 Luminescent rare earth metal phosphate, luminescent screen provided with such a phosphate and low-pressure mercury vapour discharge lamp provided with such a screen |
04/27/1988 | EP0264764A2 Sealing for a high-pressure lamp |
04/26/1988 | US4740873 For use in a fixture |
04/26/1988 | US4740729 Plural-color discharge lamps |
04/26/1988 | US4740403 Connection material, sintered oxides, for high pressure sodium lamp |