Patents
Sitemap › H01 - Basic electric elements › H01J - Electric discharge tubes or discharge lamps › H01J 61 - Gas-discharge or vapour-discharge lamps
Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612)
07/1991
07/16/1991US5032757 Protective metal halide film for high-pressure electrodeless discharge lamps
07/16/1991US5032420 Method of applying cadium-free incandescent lamp powder coating
07/11/1991WO1991010255A1 Negative glow lamp
07/10/1991CN2080707U Multiple filament fluorescent lamp
07/10/1991CN1013166B Dc fluorescent lamp device
07/09/1991US5030894 Rare gas discharge lamp device
07/03/1991CN2080232U Electronic magic lamp
07/03/1991CN1013036B Complex
07/02/1991US5028843 Sealed lutetium, lithium, halogen, mercury, and rare gas
07/02/1991US5028839 Fluorescent lamp for use in aquaria
07/02/1991CA1285599C Fluorescent lamp with silica layer
06/1991
06/27/1991WO1991009418A1 Electrode feedthrough connection strap for arc discharge lamp
06/27/1991WO1991009417A1 Electrode feedthrough tube for arc discharge lamp
06/27/1991WO1991009416A1 Electrode-to-feedthrough tube crimp for arc discharge lamp
06/27/1991WO1991009415A1 Mechanical support and electrical connector for a gas discharge lamp
06/27/1991WO1991009414A1 Luminous panel display device
06/27/1991WO1991009412A1 Glass plate illumination device sign with integral electrodes
06/27/1991DE4016555C1 Cooled UV-low pressure emitter esp. mercury vapour lamp - has extended discharge tube sub-divided into several longitudinal sections parallel to one another and bonded by means of elbows
06/26/1991EP0434287A1 Electric discharge lamp and thermal switch starter means therefor
06/26/1991EP0434162A2 Low-pressure mercury vapour discharge lamp
06/26/1991EP0433916A1 Fluorescent lamp with non-deteriorative phosphor emitting blue color of light
06/26/1991EP0433902A2 Fluorescent lamp device
06/26/1991CN2079804U Small stroboscope lamp for dance hall
06/25/1991US5027030 Glow discharge lamp having zero anode voltage drop
06/19/1991EP0432244A1 Glow discharge lamp
06/19/1991CN2079255U Explosion insulated fluorecent lamp
06/18/1991US5025192 End base construction for a discharge lamp
06/18/1991US5025190 Glow discharge lamp
06/13/1991WO1991008581A1 Glow discharge lamp
06/12/1991EP0432086A2 UV light source
06/12/1991EP0431697A1 High-pressure discharge lamp
06/12/1991EP0431696A1 High-pressure discharge lamp
06/12/1991EP0431695A1 High-pressure discharge lamp
06/11/1991US5023512 Getter means and lamp including same
06/11/1991US5023506 Explosion proof high pressure discharge lamp
06/11/1991US5023505 Electric lamp with improved frame support and method of producing same
06/11/1991CA1284814C Aluminum oxide reflector layer for fluorescent lamps
06/05/1991EP0430560A2 Gaseous-discharge lamp
06/05/1991EP0430332A1 Electric high-pressure discharge lamp for use as a motor vehicle headlamp
06/05/1991EP0429471A1 Self contained gas discharge display device
06/05/1991CN1012731B Composite body
06/04/1991US5021718 Negative glow discharge lamp
06/04/1991US5021711 Coating with silicon carbide or silicon nitride
06/04/1991US5021710 Insect attraction lamp
06/04/1991US5021703 Metal halide lamp
05/1991
05/28/1991CA1284441C Electric lamp with composite safety coating and process of manufacture
05/22/1991EP0427917A2 Irradiation lamp for increasing a person's vitamin D3 level
05/22/1991CN2077592U Butterfly-type fluorecent lamp
05/21/1991US5017839 For automotive head light use
05/21/1991US5017831 Glow discharge lamp with getter material on anode
05/16/1991WO1991006973A1 Low voltage gas discharge device
05/14/1991US5016152 Focused light source and method
05/14/1991US5015917 Adaptor for small fluorescent tubes
05/14/1991US5015916 Electric discharge lamp and thermal switch starter means therefor
05/14/1991US5015913 High-pressure discharge lamp, especially sodium vapor lamp
05/14/1991US5015907 Multi-filament fluorescent lamp construction
05/08/1991EP0425830A1 Minimizing mercury condensation in two layer fluorescent lamps
05/08/1991CN2076735U Electronic rectifier
05/08/1991CN2076711U 矿用荧光灯 Mine Fluorescent
05/08/1991CN2076710U Energy saving fluorescent lamp with electronic starting switch
05/08/1991CN1051272A Fluorescent light with universal power
05/07/1991US5013968 Reprographic metal halide lamps having long life and maintenance
04/1991
04/30/1991US5011444 Method of making a lead-in mount and seal
04/24/1991CN2075843U Cold cathode sunlight lamp and low voltage starter
04/24/1991CN2075824U Single terminal multi-tube electronic fluorescent lamp
04/17/1991EP0422860A2 Improvements in or relating to illuminating arrangements
04/17/1991EP0422816A2 A discharge tube arrangement
04/17/1991EP0422815A2 Reflectors for lamps
04/16/1991US5008789 Fluorescent lamp having ultraviolet reflecting layer
04/16/1991US5008583 High-pressure discharge lamp
04/09/1991US5006762 Negative glow fluorescent lamp having discharge barrier
04/09/1991US5006758 High-power radiator
04/09/1991US5006755 Mercury discharge lamp with mercury containing capsule
04/09/1991US5006752 Electrodeless low-pressure discharge lamp
04/09/1991CA1282818C Compact fluorescent lamp with a detachable outer envelope
04/03/1991EP0420431A2 Precision tubulation for self mounting lamp
04/03/1991EP0420335A2 High pressure gas discharge lamp
04/03/1991CN2074502U Long-life fluorescent lamp
04/03/1991CN1050435A Focused light source and method
04/02/1991US5004951 Single side-sealed metal vapor discharge lamp
04/02/1991US5004949 Fluorescent lamp with grounded electrode guard
04/02/1991US5004948 Luminescent material, especially for application in mercury vapor gas discharge light sources, and mercury vapor gas discharge light source
03/1991
03/29/1991CA2021083A1 Precision tubulation for self mounting lamp
03/27/1991EP0418902A2 Fluorescent lamp, process for its production and phosphor used therefor
03/27/1991EP0418877A2 Single-sealed metal vapor electric discharge lamp
03/27/1991EP0418784A2 Lamp provided with thin film for reflecting infrared rays
03/27/1991EP0418535A2 Focused light source and method
03/27/1991CN2074055U Electronic energy-saving fluorescent lamp with lamp tube support
03/26/1991US5003220 Integral lamp for tri-color picture element
03/26/1991US5003214 Electric arcs with a heat reflective coating on the tube
03/22/1991CA2022936A1 Focused light source and method
03/20/1991EP0417470A2 Optical light source device
03/20/1991EP0417280A1 Electrode for discharge light source
03/19/1991US5001397 High-pressure gas discharge lamp having electrodes with coil layers having interlocking turns
03/19/1991US5001396 Arc tube and high pressure discharge lamp including same
03/19/1991US5001395 High-pressure discharge lamp with corrosion protected electrode leads
03/19/1991US5001394 Glow discharge lamp containing thermal switch for producing double hot spots on cathode
03/19/1991US5001391 Glow discharge starter
03/19/1991US5001384 Electric gas discharge lamp including an outer envelope and supporting frame
03/19/1991CA1281761C Metal halide arc tube and lamp having improved uniformity of azimuthal luminous intensity
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