Patents for F21V 29 - Cooling or heating arrangements (43,888)
12/1982
12/07/1982US4363080 Water-cooled light source
08/1982
08/10/1982US4344118 Lamp device for underwater use
06/1982
06/29/1982US4337508 High wattage lamp fixture
04/1982
04/27/1982CA1122410A1 Apparatus and method for controlling plant growth with artificial light
03/1982
03/23/1982US4321659 Narrow-band, air-cooled light fixture
02/1982
02/10/1982EP0045485A2 Combined air exhaust and lighting device
01/1982
01/26/1982US4313153 Pan-type lighting fixture
12/1981
12/29/1981US4308574 Automobile headlight with reduced heating of the cover glass
11/1981
11/24/1981US4302801 Low temperature reflector for industrial lamp
11/17/1981CA1112624A1 Recessed light fixture
10/1981
10/20/1981CA1111010A1 Combination passenger reading light and air ventilator
10/06/1981US4293899 Luminaire
10/06/1981US4293847 Waterproof signal light
09/1981
09/29/1981CA1109844A1 Automotive headlamp with low heating of the lens
09/15/1981US4290097 High-pressure discharge lamp and reflector combination
05/1981
05/12/1981CA1100904A1 Method and apparatus for curing coating materials
04/1981
04/28/1981CA1099921A1 Incandescent display system
03/1981
03/24/1981CA1098096A1 Surgical light assembly with heat sink cooling
03/03/1981US4254454 Self-ventilating dental lighting device
01/1981
01/28/1981EP0023038A2 Refrigerator
01/06/1981US4244012 Lamp holder for projection aligner
01/06/1981CA1092770A1 Multi-shell plastic domes
12/1980
12/30/1980CA1092574A1 Heat dissipating lighting fixture mount
12/16/1980US4240133 Quasimonochromatic light source
12/09/1980US4238815 Recessed light fixture
11/1980
11/18/1980CA1089924A1 Device for the control of the light emission of a gasdischarge lamp
11/11/1980CA1089270A1 Light-collecting reflector
11/04/1980US4232360 Heat recovery high intensity discharge lamp constructions
10/1980
10/21/1980CA1088039A1 Movable stand particularly for lampholders and the like
10/15/1980EP0017638A1 Lamp device for underwater use
10/01/1980EP0016272A1 Incandescent lamp display system with incorporated sun screen
09/1980
09/23/1980US4223493 Multi-layered skylight
08/1980
08/26/1980US4219871 High intensity navigation light
07/1980
07/23/1980EP0013381A1 Reflector lighting fixture for high-pressure lamps
07/15/1980US4213172 Movable stand, particularly for lampholders and lamp carrier thereon
04/1980
04/08/1980US4196544 Apparatus and method for controlling plant growth with artificial light
02/1980
02/26/1980CA1072512A1 Integrally focused low ozone illuminator
01/1980
01/01/1980US4181926 Illuminating fixture for surgical light
12/1979
12/25/1979US4180851 Ventilated lamp guard
12/25/1979CA1068661A Environmentally sealed lighting fixture
12/11/1979CA1067855A1 Air cooling means for uv processor
10/1979
10/16/1979US4171535 Luminaire for concealed T ceiling systems
09/1979
09/18/1979US4168522 Light emission control for gas-discharge lamp
09/11/1979CA1062221A1 Electric spot-lamp
07/1979
07/31/1979US4163277 Spotlight
04/1979
04/24/1979US4151584 Light-collecting reflector
03/1979
03/20/1979CA1050948A1 High power consumption light source with concave reflecting mirror
02/1979
02/27/1979CA1049474A1 Outdoor lamp case
02/06/1979US4138713 Light fixture
01/1979
01/23/1979CA1047096A1 Method and apparatus for operating a mercury vapor lamp
01/16/1979US4135231 Surgical light assembly
01/16/1979US4135098 Method and apparatus for curing coating materials
12/1978
12/12/1978CA1044202A1 High output low brightness ventilated luminaire
09/1978
09/12/1978CA1038355A1 Method and means for suppressing ozone generated by arc lamps
09/05/1978CA1038011A1 High pressure metal vapour discharge lamp with cylindrical inside mirror
08/1978
08/15/1978US4107768 Globe for lightbulbs
08/01/1978US4104713 Heat dissipating lighting fixture mount
07/1978
07/25/1978US4103322 Lighting device
07/18/1978US4101424 Water jacket for ultraviolet lamp
05/1978
05/30/1978US4092705 Method of illuminating an object and a device for carrying out the method
03/1978
03/28/1978US4081023 Heat pipes to use heat from light fixtures
10/1977
10/18/1977US4054812 Integrally focused low ozone illuminator
08/1977
08/30/1977US4045665 Diffuser attachment for a fluorescent lamp fixture
08/23/1977US4044246 Ceiling mounted light fixture
07/1977
07/19/1977US4037096 Illuminator apparatus using optical reflective methods
06/1977
06/28/1977US4032771 Surgical operating lamp
05/1977
05/24/1977US4025811 Liquid-cooled high pressure metal vapor discharge lamp in particular to be used in a method of manufacturing a color television display tube
05/24/1977US4025779 Optic fiber decorative device
05/03/1977US4021660 Light fixture
04/1977
04/26/1977US4020337 Ornamental bubble lamp
02/1977
02/01/1977US4006355 Luminaire
12/1976
12/28/1976US4000407 Combined infrared filter and light focusing apparatus for a mercury vapor lamp
11/1976
11/30/1976US3994073 Air cooling means for UV processor
11/16/1976US3991905 Hinged cover for outdoor lamp case
10/1976
10/12/1976US3986018 Light source device
10/05/1976US3984673 External lighting system for hypobaric and hyperbaric chambers
09/1976
09/28/1976US3983385 Method and apparatus for operating a mercury vapor lamp
08/1976
08/31/1976US3978361 Light source device
08/10/1976US3974418 Fluorescent lamp unit with ballast resistor and cooling means therefor
06/1976
06/22/1976US3965345 Fixture for the mounting and cooling of fluorescent tubes
06/01/1976US3960081 Drying arrangement for drying inks, adhesives and analogous substances on sheet material
05/1976
05/25/1976US3959644 Apparatus for adjustably positioning an air-cooled device
04/1976
04/13/1976US3950650 Ink curing and drying apparatus
04/06/1976US3949258 Method and means for suppressing ozone generated by arc lamps
03/1976
03/30/1976US3947679 Box- or channel shaped lighting fixture for liquid cooling
03/16/1976US3944807 Infrared lamp holder
02/1976
02/03/1976US3936686 Reflector lamp cooling and containing assemblies
02/03/1976US3936672 Illumination device for copying machine