Patents
Sitemap › F21 - Lighting › F21V - Functional features or details of lighting devices or systems thereof; Structural combinations of lighting devices with other articles, not otherwise provided for › F21V 29 - Cooling or heating arrangements
Patents for F21V 29 - Cooling or heating arrangements (43,888)
03/1991
03/13/1991EP0416253A2 Light
03/12/1991US4999758 Lamp housing
02/1991
02/19/1991US4994945 Lamp system for operating theatres and the like
02/14/1991DE4025207A1 Protective mounting for low pressure mercury vapour lamp - has protective tube surrounding, but spaced apart from, lamp to prevent overheating
02/13/1991CN1011575B Therapeutic lamp emitting polarized light
01/1991
01/23/1991EP0409757A1 Apparatus for ventilation and cooling of a housing support of an emitter
01/22/1991US4987343 Hermetically sealed
01/15/1991US4985815 Light reflector
01/02/1991CA1278557C Lamp and support therefor
12/1990
12/27/1990EP0404406A2 Light source unit for using exposure
12/19/1990EP0368874A4 Fluorescent reflector lamp assembly
12/18/1990US4978890 Fluorescent lamp device
12/04/1990US4975810 Light source
11/1990
11/27/1990US4974132 Light trap for arc lamp ventilating system
11/07/1990EP0396504A1 Lighting fixture
11/07/1990EP0396219A2 Improved lamp system for operating theatres and the like
11/06/1990US4968871 Infra-red radiant heater with reflector and ventilated framework
11/02/1990CA2015878A1 Light
10/1990
10/30/1990US4967330 LED lamp with open encasement
10/03/1990EP0389659A1 Projector
10/03/1990EP0311898B1 Phototherapy device
09/1990
09/27/1990DE4004210A1 Air-conditioning light fitting e.g. for computerised office - has housing surface projection less than effective heat transfer surface area
09/26/1990EP0389280A1 Illuminating apparatus
09/07/1990WO1990010174A1 Light, in particular a light for motor vehicles
09/06/1990DE4005580A1 Light source for environmentally controlled area - has totally enclosed cooling air circuit and dissipates thermal energy up to 1000 watts
08/1990
08/29/1990CN1009331B Therapeutic lamp for biostimulation with polarized light
08/14/1990US4949232 Wall washer exhibit light with heat dissipation reflector
07/1990
07/03/1990US4939420 Fluorescent reflector lamp assembly
07/03/1990US4939374 Irradiation device
06/1990
06/27/1990EP0374511A2 Heating lamp assembly for CCVD reactors
06/26/1990US4937487 Picture element lamp assembly for information display system
06/19/1990US4935853 Motion-controlled light with arc lamp
06/19/1990US4935660 Single-ended compact halogen discharge lamp and reflector combination
05/1990
05/29/1990US4930054 Dual cone recessed lighting fixture
05/23/1990EP0368874A1 Fluorescent reflector lamp assembly
05/23/1990EP0368847A1 Infra-red radiant heater with reflector and ventilated framework.
05/23/1990DE3839042A1 Electrical workplace luminaire
05/01/1990US4922385 Cooled lighting apparatus and method
04/1990
04/05/1990WO1990003537A1 Light fitting arrangement
03/1990
03/13/1990US4908495 For use with semiconductor reactors
03/06/1990US4907142 Lighting fixture with diffuser for light and air
02/1990
02/27/1990US4905132 Lamp fixture with a modified enclosure plate
02/08/1990DE3923108A1 Video luminaire
01/1990
01/17/1990EP0350522A1 Heat-dissipating light fixture for use with tungsten-halogen lamps
12/1989
12/26/1989US4890208 Stage lighting apparatus
12/26/1989US4890200 Down lighting systems and fixtures therefor
12/20/1989EP0347065A2 Heat shield
12/12/1989US4887196 Recessed track lighting system
12/12/1989US4887154 Lamp assembly and receptacle
12/05/1989US4885668 Heat shield
11/1989
11/30/1989WO1989011727A1 Fluorescent reflector lamp assembly
11/21/1989US4882667 Ventilated miniature lighting fixtures
11/15/1989EP0341633A2 An illumination device provided with a heat radiating lamp carrier
10/1989
10/25/1989EP0202335B1 Signal light unit having heat dissipating function
09/1989
09/27/1989EP0334208A2 Compact reflector lamp
09/27/1989CN1035881A Fitting for horticultural lighting
09/06/1989CN1035247A Therapeutic lamp emitting polarized light
08/1989
08/30/1989EP0330204A2 Heat shield for low profile automotive headlight
08/15/1989US4858089 Lighting fixture having improved heat dissipation characteristics
08/09/1989CN2042564U Protective lamp for wind curtain
07/1989
07/26/1989EP0325003A1 Fitting for horticultural lighting
07/05/1989CN1033571A Therapeutic lamp for biostimulation with polarized light
07/04/1989US4845601 Illumination/ventilation system and track light fixture
06/1989
06/20/1989US4841422 Heat-dissipating light fixture for use with tungsten-halogen lamps
05/1989
05/10/1989EP0314694A1 Airfield marker light operating at a relatively low temperature
05/02/1989CA1253475A1 High intensity discharge light fixture
04/1989
04/25/1989US4825341 Cooled lighting apparatus and method
04/20/1989WO1989003236A1 Therapeutic lamp for biostimulation with polarized light
04/20/1989WO1989003235A1 Therapeutic lamp emitting polarized light
04/19/1989EP0311898A1 Phototherapy device
04/18/1989US4823245 Means for adding colors to electric lights
04/12/1989EP0311125A1 Therapeutic lamp emitting polarized light
04/12/1989EP0311124A1 Therapeutic lamp for biostimulation with polarized light
04/11/1989US4821161 Light fixture
03/1989
03/21/1989US4814959 Heat shield for low profile automotive headlight
02/1989
02/09/1989DE3733905C1 Treatment luminaire emitting linearly polarised light
01/1989
01/24/1989US4800475 Portable electric light
12/1988
12/15/1988DE3718577A1 Metal-halide copier lamp for reprographic applications
12/13/1988CA1246516A1 Infrared floodlight
11/1988
11/15/1988US4785216 High powered water cooled xenon short arc lamp
10/1988
10/25/1988US4780799 Heat-dissipating light fixture for use with tungsten-halogen lamps
09/1988
09/27/1988US4773723 Heat sink structure for a fiber optic light source
08/1988
08/30/1988US4768140 Indoor light fixture for high intensity lamp
08/25/1988WO1988006254A1 Infra-red radiant heater with reflector and ventilated framework
07/1988
07/28/1988DE3701158A1 High-power headlight with cooling device
07/26/1988US4760509 Portable electric light
07/06/1988EP0137005B1 Air-cooled apparatus for an irradiation by means of polarized light
06/1988
06/07/1988US4750097 Lamp reflector assembly
06/07/1988US4750096 Fluorescent light fixture
05/1988
05/31/1988US4748380 Compact fluorescent lamp assembly having improved thermal dissipation and RFI suppression
05/24/1988US4746840 Fluorescent reflector lamp assembly
04/1988
04/21/1988DE3634156A1 Surface lighting fixture
04/12/1988US4737895 Low temperature starting fluorescent fixture
04/06/1988EP0262547A1 Lamp housing and ventilating system therefor
03/1988
03/29/1988US4734835 Lamp housing and ventilating system therefor
03/22/1988US4733335 Vehicular lamp
03/17/1988DE3631452A1 Luminary
03/01/1988US4729078 Extruded lamp housings
03/01/1988US4729076 Signal light unit having heat dissipating function
02/1988
02/24/1988EP0256655A2 Display lighting arrangement
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