| Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
|---|
| 05/15/1979 | US4155025 High-pressure mercury-vapor discharge ultraviolet radiant energy lamp |
| 05/03/1979 | WO1979000220A1 Heat-resistant sealing materials |
| 05/02/1979 | EP0001710A1 A heat resistant sealing composition, a method of making this composition, a method of making a ceramic-cermet seal in electric discharge devices and the device thus obtained |
| 05/01/1979 | US4152620 High intensity vapor discharge lamp with sintering aids for electrode emission materials |
| 05/01/1979 | US4152619 HID lamp electrode comprising barium (yttrium or rare earth metal) tungstate or molybdate |
| 04/24/1979 | US4151446 Electronic flash apparatus |
| 04/24/1979 | US4151445 Instant light lamp control circuit |
| 04/24/1979 | US4151443 Luminescent materials and discharge lamp containing the same |
| 04/24/1979 | CA1053314A1 Emissive electrode for high pressure discharge lamp includes oxides of rare earth and alkaline earth metals |
| 04/17/1979 | US4150321 Comprising cerium, terbium, at least one of boron, silicon, phosphorous, magnesium, zinc, beryllium, gallium and scandium |
| 04/17/1979 | US4150317 Polycrystalline alumina material |
| 04/10/1979 | US4148935 Method of making fluorescent lamp |
| 04/10/1979 | CA1052438A1 Short-arc discharge lamp with electrode-supporting members in lamp neck |
| 04/10/1979 | CA1052437A1 Fluorescent lamps with grooves and method and apparatus for manufacturing same |
| 04/03/1979 | US4147958 Multicolor gas discharge display memory panel |
| 04/03/1979 | US4147952 Method of sealing alumina arc tube |
| 04/03/1979 | US4147951 Gas discharge lamp having a double electrode arrangement |
| 04/03/1979 | US4147947 Fluorescent lamp with integral thermal-insulating plastic jacket |
| 04/03/1979 | US4147816 Heat decomposable chloride, barium mesosilicate phosphor |
| 03/27/1979 | US4146813 High-pressure sodium vapor discharge lamp |
| 03/20/1979 | US4145634 Fluorescent lamp having integral mercury-vapor pressure control means |
| 03/13/1979 | US4144475 Gas and/or vapor discharge lamp |
| 03/13/1979 | US4144472 Glow discharge lamp |
| 03/13/1979 | US4143447 Method of making a low-pressure gas discharge lamp |
| 03/13/1979 | CA1050605A1 Electric discharge lamp |
| 03/13/1979 | CA1050604A1 Bulb-shaped flashtube with metal envelope |
| 03/07/1979 | EP0000966A1 Low-pressure mercury vapour discharge lamp |
| 03/06/1979 | US4143301 High intensity discharge lamp with integral means for arc extinguishing |
| 02/27/1979 | US4142125 Fluorescent discharge lamp with inner hollow tube offset from envelope axis |
| 02/27/1979 | US4142122 Discharge lamp having arched arc tube |
| 02/21/1979 | EP0000842A1 Low pressure metal vapour discharge lamp |
| 02/20/1979 | US4140938 Gas discharge lamps for DC operation having a double electrode arrangement and a discharge-tight cross connection of the electrode spaces |
| 02/20/1979 | US4140385 Low pressure metal or metal halide lamps for photocopying applications |
| 02/20/1979 | CA1049085A1 Fluorescent high-pressure mercury-vapor lamp |
| 02/06/1979 | US4138623 Copper, electric |
| 02/06/1979 | US4138621 Short-arc discharge lamp with starting device |
| 02/06/1979 | CA1048101A1 Metal halide lamp |
| 01/30/1979 | US4137484 Color improvement of high pressure sodium vapor lamps by pulsed operation |
| 01/30/1979 | US4137483 High pressure discharge lamp with a starting circuit contained therein |
| 01/23/1979 | US4136298 Electrode-inlead for miniature discharge lamps |
| 01/23/1979 | US4136227 Electrode of discharge lamp |
| 01/23/1979 | CA1047096A1 Method and apparatus for operating a mercury vapor lamp |
| 01/16/1979 | US4135114 Starting device for discharge lamp |
| 01/16/1979 | US4135110 Complex halide of tin and sodium |
| 01/16/1979 | CA1046573A1 Method of electrode mounting in high-pressure sodium discharge lamps |
| 01/10/1979 | EP0000274A1 Gas discharge display memory panel |
| 01/09/1979 | US4134042 Electric discharge lamp control circuit having a temperature dependent capacitor |
| 01/09/1979 | US4134039 High-pressure gas discharge light source |
| 01/09/1979 | CA1046130A1 Metallic halide high-pressure discharge lamp including arsenic |
| 01/09/1979 | CA1045908A1 Low temperature process for coating lamp envelopes |
| 12/12/1978 | US4129802 Low-pressure mercury vapor discharge lamp |
| 12/12/1978 | US4129800 Gas and/or vapor discharge lamp |
| 12/12/1978 | CA1044302B Fluorescent lamp with shielded electrodes |
| 12/05/1978 | US4128498 Europium activated strontium beryllium chlorosilicate |
| 12/05/1978 | US4128336 Spectroscopic apparatus and method |
| 12/05/1978 | CA1043850A1 Electric lamp with butt welded molybdenum tungsten conductors |
| 12/05/1978 | CA1043849A1 Low-pressure mercury vapour discharge lamp including bismuth and indium |
| 11/28/1978 | US4127790 High-pressure discharge lamp |
| 11/28/1978 | US4127789 Light-pervious, heat-reflecting filter and electric lamps having such a filter |
| 11/28/1978 | CA1043410A1 Narrow beam low-pressure sodium vapour discharge lamp |
| 10/31/1978 | US4123685 HID lamp electrode comprising solid solution of dibarium calcium molybdate and tungstate |
| 10/31/1978 | CA1041591A1 Tubular current lead-through structure for electric discharge lamp |
| 10/24/1978 | US4122376 Multi-indicia fluorescent display tube |
| 10/24/1978 | US4122042 Aluminum oxide, sapphire, tantalum, niobium, tungsten, molybdenum, alloys, metal oxides |
| 10/17/1978 | US4121132 Phosphor particles bound by boric anhydride and sodium borate |
| 10/17/1978 | CA1040412A1 Low pressure mercury vapour discharge lamp |
| 10/03/1978 | CA1039808A1 High energy gas discharge switching device |
| 09/26/1978 | US4117374 Fluorescent lamp with opposing inversere cone electrodes |
| 09/26/1978 | US4117372 Gas discharge lamp with double-electrode powered through a rectifier, and discharge-tight cross-connection of the electrode chambers, and a process for its manufacture |
| 09/26/1978 | US4117371 Electric device provided with a metal vapor discharge lamp |
| 09/26/1978 | US4117370 Discharge lamp having a glow discharge starter within the outer envelope |
| 09/26/1978 | US4117369 Hydrogen getter in metal envelope only part of which is hydrogen permeable |
| 09/26/1978 | US4117367 High-pressure discharge lamp |
| 09/19/1978 | US4114968 Method of processing fluorescent lamp |
| 09/19/1978 | CA1038922A1 Glass or metal wool in low pressure discharge lamp |
| 09/19/1978 | CA1038619A1 Luminescent screen |
| 09/12/1978 | CA1038355A1 Method and means for suppressing ozone generated by arc lamps |
| 09/05/1978 | US4112335 Rapid pulse ultraviolet light apparatus |
| 09/05/1978 | CA1038011A1 High pressure metal vapour discharge lamp with cylindrical inside mirror |
| 09/05/1978 | CA1037707A1 Light-transmitting, thermal-radiation reflecting filter |
| 08/29/1978 | US4110657 Lead-in seal and lamp utilizing same |
| 08/29/1978 | US4110656 Spot welding a thin niobium, tantalum, or titanium wire |
| 08/29/1978 | CA1037552A1 Low-voltage starting means for arc lamp |
| 08/22/1978 | US4109175 High pressure sodium vapor discharge lamp |
| 08/22/1978 | CA1037098A1 Metal halide lamps containing boron |
| 08/22/1978 | CA1037097A1 Discharge lamps containing an inert gas and a metal halide |
| 08/08/1978 | US4105910 Fluorescent lamp with an integral fail-safe and auxiliary-amalgam component |
| 08/08/1978 | US4105908 Metal halide lamp having open tungsten coil electrodes |
| 07/25/1978 | US4103200 Coating end cap with slurry of metallic silicon and baking, high pressure sodium discharge lamp |
| 07/18/1978 | US4101799 High-pressure gas discharge lamp |
| 07/18/1978 | US4101796 High-pressure discharge lamp |
| 07/18/1978 | US4101185 Method for producing a low-pressure gas discharge lamp |
| 07/11/1978 | US4100446 Light source lamp with particular envelope structure to accommodate external magnets |
| 07/11/1978 | US4100418 Method of and means for filtering the infrared rays from a source of UV radiation |
| 07/04/1978 | US4099090 Fluorescent lamp having a longitudinal stripe of phosphor on outer envelope surface with reflector layer thereover |
| 07/04/1978 | US4099084 Impulse discharge lamp with disc shaped electrodes |
| 07/04/1978 | US4099081 Electric lamps and their production |
| 06/27/1978 | US4097781 Atomic spectrum light source device |
| 06/27/1978 | US4097779 Fluorescent lamp containing a cathode heater circuit disconnect device |
| 06/27/1978 | US4097777 Arc discharge lamp including starting circuit |