| Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
|---|
| 06/27/1978 | US4097774 Arc discharge flash lamp and shielded cold cathode therefor |
| 06/27/1978 | US4097762 Oxides of barium, calcium, aluminum |
| 06/13/1978 | US4095135 Spherical-bulb fluorescent lamp |
| 06/06/1978 | US4093893 Short arc fluorescent lamp |
| 06/06/1978 | US4093890 Terbium-activated luminescent garnet material and mercury vapor discharge lamp containing the same |
| 06/06/1978 | US4093889 Mercury, bismuth, tin, lead |
| 05/30/1978 | US4092560 Vapor discharge lamp cermet electrode-closure and method of making |
| 05/30/1978 | US4091951 Lamps for high powers |
| 05/23/1978 | US4091163 Fused silica article having titania-silicate barrier zone |
| 05/16/1978 | US4090105 High intensity discharge lamp with multiple filament to extinguish lamp when outer envelope breaks |
| 05/16/1978 | US4089799 Luminescent fluoride |
| 05/09/1978 | US4088923 Fluorescent lamp with superimposed luminescent layers |
| 04/18/1978 | US4085351 Gaseous discharge light emitting element |
| 04/18/1978 | US4085350 Gaseous discharge light emitting element |
| 04/04/1978 | US4082981 Energy saving device for a standard fluorescent lamp system |
| 03/28/1978 | US4081714 Method of coating the inner wall of a low-pressure mercury vapor discharge lamp with luminescent material |
| 03/28/1978 | US4081709 Electrostatic coating of silica powders on incandescent bulbs |
| 03/28/1978 | US4081115 Fishing rod support belt |
| 03/21/1978 | US4080545 Sodium vapor lamp with emission aperture |
| 03/14/1978 | US4079288 Halophosphate phosphor overlying alumina layer |
| 03/14/1978 | US4079287 Strontium halophosphate and europium-activated yttrium oxide phosphors |
| 03/14/1978 | US4079167 Chemically polished polycrystalline alumina material |
| 02/28/1978 | US4076991 Dysprosium-aluminum-silicon oxide |
| 02/28/1978 | US4076898 Niobium, tantalum, zirconium, molybdenum |
| 02/21/1978 | US4075537 Ignition electrode arrangement for gas discharge lamps, particularly for flash tubes |
| 02/21/1978 | US4075532 Europium activated strontium chlorapatite with manganese and antimony coactivated calcium fluorapatite |
| 02/21/1978 | US4075530 High pressure sodium vapor lamp of unsaturated vapor pressure type |
| 02/21/1978 | US4075529 Xenon lamp containing magnetic adsorbers inside the tube thereof |
| 02/21/1978 | US4075528 Xenon lamp with magnets on the electrodes |
| 02/14/1978 | US4074208 Stabilized repetitively pulsed flashlamps |
| 02/14/1978 | US4074172 Discharge lamp operating circuit |
| 02/14/1978 | US4074166 Ultraviolet emitting arc discharge lamp |
| 02/14/1978 | US4074165 Decorative light source including a discharge lamp and resistor within an outer envelope |
| 02/14/1978 | US4074164 Sun lamp |
| 02/14/1978 | US4074163 Discharge lamp with heat shield |
| 01/31/1978 | US4071802 Hollow-cathode spectral light source with means to prevent high voltage arcing |
| 01/31/1978 | US4071799 Sodium vapor lamp with emission aperture |
| 01/31/1978 | US4071798 Sodium vapor lamp with emission aperture |
| 01/31/1978 | US4071288 Method of implanting an amalgamative metal in a fluorescent lamp during manufacture |
| 01/24/1978 | US4070598 Fluorescent lamp with second phosphor layer |
| 01/24/1978 | US4070570 Lighting apparatus |
| 01/17/1978 | US4069441 Electric gas discharge lamp having two superposed luminescent layers |
| 01/03/1978 | US4066888 Enclosed high-pressure electric discharge lamp structure with cable terminal |
| 12/27/1977 | US4065691 Ceramic lamp having electrodes supported by crimped tubular inlead |
| 12/27/1977 | US4065688 High-pressure mercury-vapor discharge lamp having a light output with incandescent characteristics |
| 12/27/1977 | US4065370 Method of ion plating a thin metallic strip for flashlamp starting |
| 12/20/1977 | US4064418 Controlled arc stream in high intensity discharge lamps |
| 12/06/1977 | US4061946 Fluorescent lamp having zero back brightness |
| 12/06/1977 | US4061939 Low noise sodium vapor lamp for sonic pulse operation |
| 11/29/1977 | US4060708 Metastable argon stabilized arc devices for spectroscopic analysis |
| 11/01/1977 | US4056752 Ceramic lamp having tubular inlead containing yttrium-zirconium mixture |
| 11/01/1977 | US4056751 Metal halide discharge lamp having optimum electrode location |
| 11/01/1977 | US4056750 Mercury dispenser for discharge lamps |
| 10/25/1977 | US4055781 Special purpose fluorescent lamp |
| 10/25/1977 | US4055779 Gas discharge lamp |
| 10/11/1977 | US4053809 Short-arc discharge lamp with starting device |
| 10/11/1977 | US4053805 Arc discharge lamp comprising mercury, scandium and lithium iodide, scandium emission being suppressed |
| 10/04/1977 | US4052636 High pressure sodium vapor lamp stabilized for pulse operation |
| 10/04/1977 | US4052635 Electric discharge lamp |
| 10/04/1977 | US4052634 High-pressure gas discharge lamp and electron emissive electrode structure therefor |
| 09/27/1977 | US4051407 Or vapor discharge lamp |
| 09/20/1977 | US4049987 Ozone absorbance controller |
| 09/13/1977 | US4048537 Protective ultraviolet-transmitting sleeve for fluorescent lamp |
| 09/13/1977 | US4048490 Apparatus for delivering relatively cold UV to a substrate |
| 09/06/1977 | US4047071 Lamp having amalgam contained in a porous silicate mass |
| 09/06/1977 | US4047069 High-pressure mercury-vapor lamp having a plural phosphor coating |
| 09/06/1977 | US4047067 Sodium halide discharge lamp with an alumina silicate barrier zone in fused silica envelope |
| 09/06/1977 | US4047064 Flash tube having enclosed trigger wire |
| 08/30/1977 | US4045665 Diffuser attachment for a fluorescent lamp fixture |
| 08/23/1977 | US4044276 High pressure mercury vapor discharge lamp having improved electrodes |
| 08/16/1977 | US4042849 Discharge lamp with black light transmitting filter layer |
| 08/16/1977 | US4042819 Fluorescent lamp for use in explosive atmospheres such as mines |
| 08/02/1977 | US4039893 Discharge lamp having disconnect effective upon jacket failure |
| 08/02/1977 | US4039889 Neon, xenon, phosphor coating |
| 08/02/1977 | US4039884 Discharge lamp for the disactivation of micro-organisms |
| 08/02/1977 | US4039883 Soldered joint |
| 08/02/1977 | US4039880 Method of operating a self-stabilizing discharge lamp |
| 07/26/1977 | US4038578 Short-arc discharge lamp with electrode support structure |
| 07/26/1977 | US4038577 Gas discharge display device having offset electrodes |
| 07/26/1977 | US4038203 Certain alkali metal-rare earth metaphosphate photoluminescent glasses |
| 07/26/1977 | US4037621 Load responsive control valve with constant leakage device |
| 07/19/1977 | US4037129 High pressure sodium vapor lamp having low starting voltage |
| 07/19/1977 | US4037128 Three-phase discharge lamp |
| 07/12/1977 | US4035691 Pulsed laser excitation source |
| 07/12/1977 | US4035682 Universal burning alkali metal vapor lamp with amalgam storage in exhaust tubulation |
| 07/05/1977 | US4034257 Mercury vapor lamp utilizing a combination of phosphor materials |
| 07/05/1977 | US4034252 Ceramic lamp seal and control of sealing frit distribution |
| 07/05/1977 | US4033743 Chemically polished polycrystalline alumina material |
| 06/28/1977 | US4032816 Safety switch which renders hid lamp inoperative on accidental breakage of outer envelope |
| 06/28/1977 | US4032814 Fluorescent lamp with reduced wattage consumption |
| 06/28/1977 | US4032813 Fluorescent lamp with reduced wattage consumption having electrode shield with getter material |
| 06/28/1977 | US4032812 Fluorescent high-pressure mercury-vapor lamp |
| 06/14/1977 | US4029989 Electric discharge lamp with voltage multiplier circuit having a capacitance which changes with temperature |
| 06/14/1977 | US4029983 Metal-halide discharge lamp having a light output with incandescent characteristics |
| 05/31/1977 | US4027190 Metal halide lamp |
| 05/31/1977 | US4027185 High intensity radiation source |
| 05/24/1977 | US4025812 Alumina ceramic alkali metal lamp having metal getter structure |
| 05/24/1977 | US4025811 Liquid-cooled high pressure metal vapor discharge lamp in particular to be used in a method of manufacturing a color television display tube |
| 05/17/1977 | US4024425 Metal halide lamps |
| 05/17/1977 | US4024423 Electric discharge tube having variable electrode area |