Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
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10/15/1991 | US5057742 Discharge tube |
10/15/1991 | US5057741 Glow discharge starter having dual gaps |
10/15/1991 | US5057422 Recombinant dna: transformed microorganisms, plant cells and plants: a process for introducing an inducible property in plants, and a process for producing a polypeptide or protein by means of plants or plant cells |
10/15/1991 | US5057048 Niobium-ceramic feedthrough assembly and ductility-preserving sealing process |
10/09/1991 | EP0450772A1 Gas discharge lamp |
10/09/1991 | EP0450523A1 High pressure metal vapor discharge lamp |
10/09/1991 | CN2086462U Plane rhombus energy-saving electronic fluorescent lamp |
10/09/1991 | CN1055257A High-pressure discharge lamp |
10/08/1991 | US5055740 Horizontal burning metal halide lamp |
10/08/1991 | US5055738 Low-pressure mercury vapor discharge lamp having a folded tube |
10/08/1991 | US5055735 High pressure discharge lamp having improved containment structure |
10/02/1991 | EP0449639A2 Biasing system for reducing ion loss in lamps |
10/02/1991 | EP0449307A2 Fluorescent lamp and its manufacturing method |
10/01/1991 | US5053933 Fluorescent lamp |
10/01/1991 | US5053676 High-pressure discharge lamp |
09/30/1991 | CA2037886A1 Biasing system for reducing ion loss in lamps |
09/26/1991 | DE4011213A1 Compact fluorescent lamp |
09/25/1991 | EP0448172A1 High pressure discharge lamp |
09/25/1991 | EP0448170A1 Low-pressure mercury vapour discharge lamp for suntanning purposes |
09/25/1991 | EP0447957A2 Compact fluorescent lamp |
09/24/1991 | US5051658 Electric high-pressure discharge lamp for use as a motor vehicle headlamp |
09/24/1991 | US5051657 Safety filament assembly for double-enveloped arc discharge lamp |
09/24/1991 | US5051655 Electrodes for single ended arc discharge tubes |
09/24/1991 | US5051653 Fluorescent lamp with a reflective layer and a phosphor coating on the interior surface |
09/24/1991 | US5051650 Ultraviolet-suppressed light source, coating agent used in the same, and method for manufacturing the same |
09/24/1991 | US5051649 Arc discharge lamp with liquid metal and heating means |
09/24/1991 | US5051648 Flat type low pressure gas discharge lamp |
09/24/1991 | US5051277 Vaporization silicon precursor of tetraethoxy or tetramethoxy-silane through a phosphor powder, fluidization and oxidation a nd annealing, vaporization an aluminum precursor |
09/22/1991 | CA2012880A1 Ballast |
09/20/1991 | CA2102712A1 Compact fluorescent lamp |
09/20/1991 | CA2038452A1 Compact fluorescent lamp |
09/18/1991 | EP0446462A2 High-pressure discharge lamp |
09/18/1991 | CN2085095U Energy-saving fluorescent lamp simulating sunlight or moonlight |
09/17/1991 | US5049785 Two contact, AC-operated negative glow fluorescent lamp |
09/17/1991 | US5049781 Discharge lamp |
09/17/1991 | US5049779 Phosphor composition used for fluorescent lamp and fluorescent lamp using the same |
09/17/1991 | US5048163 System for processing semiconductor materials |
09/16/1991 | CA2037501A1 High-pressure discharge lamp |
09/11/1991 | EP0445961A2 Protection for high-pressure electrodeless discharge lamps |
09/11/1991 | CN2084658U Three-fan type high efficient power saving fluorescent lamp |
09/11/1991 | CN1054506A Moonlight lamp |
09/10/1991 | US5047695 Direct current (DC) acoustic operation of xenon-metal halide lamps using high-frequency ripple |
09/10/1991 | US5047693 Starting aid for an electrodeless high intensity discharge lamp |
09/10/1991 | US5047689 Gas discharge tube, indirectly heated cathode for use therein and drive circuit therefor |
09/10/1991 | CA1288800C High-power uv radiator |
09/10/1991 | CA1288799C Rare earth halide light source with enhanced red emission |
09/04/1991 | EP0444591A2 Metal vapour discharge lamp |
09/04/1991 | EP0444590A1 Metal vapor discharge lamp |
09/04/1991 | CN1054333A High-pressure sodium discharge lamp |
09/04/1991 | CN1054332A High-pressure sodium discharge lamp |
09/03/1991 | US5045757 Metal vapor discharge lamp |
09/03/1991 | US5045756 Non-conductive collar for the conductive shell of an electrical discharge device |
09/03/1991 | US5045752 Mixing alumina with phosphor particles |
09/03/1991 | US5045748 Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such |
08/28/1991 | EP0443964A1 Low watt metal halide lamp |
08/28/1991 | EP0443795A2 Operating gas-discharge light sources |
08/28/1991 | EP0443675A1 High-pressure sodium discharge lamp |
08/28/1991 | EP0443674A1 High-pressure sodium discharge lamp |
08/28/1991 | CN2083787U Healthy care lamp for tv watching |
08/28/1991 | CN2083786U Long life high light-efficient full colour energy-saving fluorescent lamp |
08/27/1991 | US5043634 Excitation of mercury vapor |
08/27/1991 | US5043627 High-frequency fluorescent lamp |
08/27/1991 | US5043626 Fluorescent lamp with composite safety coating and process of manufacture |
08/27/1991 | US5043623 Reflector lamp assembly including metal halide arc tube |
08/27/1991 | CA1288129C Low pressure arc discharge light source unit |
08/27/1991 | CA1288127C Metal halide lamp having heat redistribution means |
08/27/1991 | CA1288126C Low wattage metal halide discharge lamp |
08/21/1991 | EP0442704A2 Metal halide lamp and method of making the same |
08/21/1991 | CN2083341U Flat elliptic lamp |
08/21/1991 | CN2083340U Long-life fluorescent light |
08/21/1991 | CN2083339U External lead structure of high-pressure short-arc xenon lamp |
08/21/1991 | CN2083338U Power-economizing fluorescent lamp |
08/21/1991 | CN2083337U High-pressure sodium and mercury mixed light lamp |
08/20/1991 | US5041762 Luminous panel |
08/20/1991 | US5041758 Low-pressure mercury vapor discharge lamp |
08/20/1991 | US5041755 Gas-discharge lamp |
08/20/1991 | US5041041 Method of fabricating a composite lamp filament |
08/17/1991 | CA2036485A1 Metal halide lamp and method of making the same |
08/14/1991 | EP0441387A2 Low pressure gas discharge lamp |
08/13/1991 | US5039912 Glass sheaths, interference filters |
08/13/1991 | US5039908 Tri-model thermal switch and preheat lamp containing same |
08/13/1991 | US5039905 Welding connection for an electric lamp |
08/07/1991 | EP0440402A1 Discharge lamp |
08/07/1991 | EP0439606A1 Glow discharge lamp containing thermal switch for producing double hot spots on cathode |
08/07/1991 | EP0439603A1 Tri-model thermal switch and preheat lamp containing same |
07/31/1991 | CN2082067U Electronic neon lamp with low voltage |
07/31/1991 | CN2082026U Cold-cathode plate-type fluorescent lamp |
07/31/1991 | CN2082025U Quasi-core rod |
07/30/1991 | US5036243 Glass plate illumination device sign with integral electrodes of particular thermal resistance |
07/30/1991 | CA1287094C Automotive headlamp having a double-ended light source with an elliptical bulbous portion |
07/25/1991 | WO1991010715A1 Phosphors with improved lumen output and lamps made therefrom |
07/24/1991 | EP0438081A2 Metal vapor discharge lamp |
07/24/1991 | EP0438060A2 Metal vapor discharge lamp of a single end type |
07/24/1991 | CN2081574U Fast starting h fluorescent light tube |
07/24/1991 | CN2081573U Belly core energy-saving fluorescent light |
07/23/1991 | US5034661 Rare gas discharge fluorescent lamp device |
07/23/1991 | US5034655 Circular fluorescent lamp |
07/23/1991 | US5034650 Lamp with coating for absorption of ultraviolet light |
07/16/1991 | US5032762 Protective beryllium oxide coating for high-intensity discharge lamps |
07/16/1991 | US5032758 Precision tubulation for self mounting lamp |