| Patents for F21V 9 - Light filters; Selection of luminescent materials for light screens (12,097) |
|---|
| 11/24/1981 | US4302069 Illumination system and apparatus therefor |
| 11/03/1981 | US4298920 Automatic gel changer for a spotlight |
| 11/03/1981 | US4298916 Lighting system with baffle |
| 11/03/1981 | US4298806 Apparatus for irradiating substances curable by radiation |
| 10/13/1981 | US4294524 Image or picture projecting system using electronically controlled slides |
| 09/22/1981 | US4291365 Signal lanterns for optional colored light emittance |
| 09/15/1981 | US4290097 High-pressure discharge lamp and reflector combination |
| 07/21/1981 | US4280170 Luminaire |
| 06/23/1981 | CA1103641A1 Lighting system with baffle |
| 05/27/1981 | EP0029199A1 Coloured lights, for example for luminous advertising, outdoor and indoor lighting |
| 05/12/1981 | US4267489 Thin schaukasten |
| 04/21/1981 | US4263639 Light dispersion system with substituted diffusion panels |
| 03/24/1981 | CA1098096A1 Surgical light assembly with heat sink cooling |
| 03/17/1981 | US4257086 Method and apparatus for controlling radiant energy |
| 03/03/1981 | US4254455 Reflector for dental, medical or the like lighting device |
| 03/03/1981 | US4254449 Task lighting system |
| 03/03/1981 | CA1096833A1 Switch for flexible walled flashlight |
| 02/10/1981 | CA1095480A1 Signal device having prolonged illumination means |
| 02/10/1981 | CA1095479A1 Motor vehicle tail lamp assembly |
| 01/13/1981 | US4245282 Illuminating device |
| 01/07/1981 | EP0020918A1 Reflector for different lighting angles |
| 01/06/1981 | CA1093010A1 Apparatus for curing photo-developing inks |
| 12/23/1980 | US4241388 High contrast lamp assembly |
| 12/16/1980 | US4240133 Quasimonochromatic light source |
| 11/11/1980 | CA1089270A1 Light-collecting reflector |
| 10/28/1980 | US4231077 Light toy |
| 09/16/1980 | US4222641 Image or picture projecting system using electronically controlled slides |
| 09/16/1980 | US4222177 Apparatus for curing photo-developing inks |
| 07/29/1980 | US4215390 Warning light |
| 07/01/1980 | US4210953 Self-illuminated case |
| 06/24/1980 | US4209823 Phosphorescent material activated by light from ignition of pyrotechnic material |
| 06/24/1980 | US4209822 Light Polarizing illumination device |
| 06/24/1980 | CA1080188A1 Luminaire having a configured interference mirror and reflector |
| 06/24/1980 | CA1080187A1 Luminaire using a multilayer interference mirror |
| 06/10/1980 | US4207607 Luminaire apparatus for reflecting radiant energy and methods of controlling characteristics of reflected radiant energy |
| 02/12/1980 | CA1071602A1 Portable electric lamp |
| 01/01/1980 | US4181926 Illuminating fixture for surgical light |
| 12/18/1979 | CA1068244A1 Illuminator with reflector filter |
| 11/13/1979 | CA1066247A1 Apparatus for delivering relatively cold uv to a substrate |
| 10/30/1979 | US4173034 Lighting system with baffle |
| 09/25/1979 | US4169238 Movie light, low voltage incandescent lamp unit for use therewith, and reflector |
| 09/11/1979 | US4167490 Flexible ultraviolet radiation transmitting filters |
| 09/11/1979 | CA1062220A1 Impact resistant explosion proof lamp comprising encapsulated light source |
| 08/08/1979 | EP0003312A1 Irradiation apparatus for photohardening of substances |
| 08/07/1979 | US4164012 Luminaire apparatus for reflecting radiant energy and methods of controlling characteristics of reflected radiant energy |
| 07/17/1979 | US4161388 Signal device having prolonged illumination means |
| 07/10/1979 | US4161015 Luminaire using a multilayer interference mirror |
| 07/10/1979 | US4161014 Luminaire having a configured interference mirror and reflector |
| 06/05/1979 | US4157209 Optical device having light-mixing element |
| 05/29/1979 | CA1055456A1 Apparatus for reducing intensity of light |
| 05/08/1979 | US4153928 Motor vehicle tail lamp assembly |
| 05/01/1979 | US4152752 Illumination system and apparatus therefor |
| 04/24/1979 | US4151584 Light-collecting reflector |
| 04/10/1979 | US4149228 Compact uniform light diffuser and attenuator |
| 04/10/1979 | US4149086 UV irradiation device |
| 04/03/1979 | US4148094 Combined spot and signal light |
| 01/16/1979 | US4135231 Surgical light assembly |
| 11/21/1978 | CA1042859A1 Light diffuser system |
| 11/14/1978 | US4125889 Transportation arrangement with spotlight projectors for illuminating trunnions of a molten iron ladle |
| 11/14/1978 | US4125775 Tin oxide containing glass |
| 10/24/1978 | US4122510 Flashlight |
| 09/12/1978 | US4114187 Diver's flashlight |
| 09/12/1978 | CA1038355A1 Method and means for suppressing ozone generated by arc lamps |
| 09/05/1978 | US4112485 Impact resistant explosion proof lamp comprising encapsulated light source |
| 07/25/1978 | US4103322 Lighting device |
| 07/18/1978 | US4101954 Device for variably illuminating an object |
| 07/11/1978 | US4100418 Method of and means for filtering the infrared rays from a source of UV radiation |
| 06/20/1978 | US4095881 Efficient illumination system |
| 05/30/1978 | US4092705 Method of illuminating an object and a device for carrying out the method |
| 05/23/1978 | US4091441 Full-spectrum luminaire |
| 02/07/1978 | US4072856 Daylight-simulating incandescent lamp light fixture, particularly for medical and dental use |
| 01/31/1978 | US4071883 Multi-purpose laboratory light box |
| 01/31/1978 | US4071809 Apparatus for synthesizing of colors |
| 01/31/1978 | US4071748 Lighting panel with controlled distribution of polarized light |
| 01/24/1978 | US4070096 Polarized cosmetic mirror |
| 01/17/1978 | US4068931 Reflector including light filter for photographic use |
| 09/13/1977 | US4048490 Apparatus for delivering relatively cold UV to a substrate |
| 09/13/1977 | US4047799 Multi-color hand signal |
| 09/06/1977 | US4047020 Disguised emergency light |
| 08/30/1977 | US4045664 Lighting fitting provided with at least two-low-pressure mercury vapor discharge lamps |
| 08/16/1977 | US4042818 Lamp assembly |
| 08/09/1977 | US4041302 Dual color taillamp |
| 08/02/1977 | US4039467 Visibly opaque infrared transmitting optical filter containing a combination of copper and vanadyl phthalocyanine sulfonamides |
| 07/19/1977 | US4037097 Color changer for spotlights |
| 07/19/1977 | US4037096 Illuminator apparatus using optical reflective methods |
| 06/28/1977 | US4032771 Surgical operating lamp |
| 05/24/1977 | US4025779 Optic fiber decorative device |
| 04/19/1977 | US4018527 Apparatus for controlling the movements of printing filters |
| 03/29/1977 | US4015113 Apparatus for varying intensity of light |
| 03/08/1977 | US4011236 N-(benzimidazol-2-yl)arylcarboxamides as ultraviolet (uv) light absorbers |
| 12/28/1976 | US4000407 Combined infrared filter and light focusing apparatus for a mercury vapor lamp |
| 12/21/1976 | US3998752 Infrared reflective coating for visible light transmitting substrates |
| 11/30/1976 | US3995151 Lighting ornament |
| 10/05/1976 | US3984673 External lighting system for hypobaric and hyperbaric chambers |
| 07/27/1976 | US3971929 Safelight filter |
| 06/22/1976 | US3964194 Changeable color display device |
| 04/06/1976 | US3949258 Method and means for suppressing ozone generated by arc lamps |