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)
05/1993
05/19/1993DE4137260A1 Fluessigkristallanzeigenanordnung Fluessigkristallanzeigenanordnung
05/19/1993CN2133751Y Cast light lamp
05/04/1993US5207505 Illumination light source device
05/04/1993US5207499 Integral light and liquid circulation fitting
04/1993
04/27/1993US5205642 Mirror and lamp assembly
04/06/1993US5199784 Moisture shedding liquid cooled floodlight fixture
04/01/1993WO1993006415A1 Means for preventing overheating of electronic elements housed in the foot of a spotlight
03/1993
03/30/1993US5198962 Lighting system
03/30/1993US5197797 Miniaturized self-contained tubular lighting fixture
03/16/1993CA1314529C Fitting for horticultural lighting
03/04/1993WO1993004317A1 Modular lighting system and method
02/1993
02/16/1993US5187765 Backlighted panel
02/03/1993EP0525104A1 Apparatus for producing light distributions
02/02/1993US5183328 Luminaire having an improved thermal management arrangement
01/1993
01/07/1993EP0521012A1 Modular lighting system, in particular for airport runways and taxiways.
12/1992
12/29/1992US5174646 Heat transfer assembly for a fluorescent lamp and fixture
12/22/1992US5172975 Light assembly with ventilated housing
12/22/1992US5172973 Air cooled housing for light source
12/15/1992US5171084 Apparatus for diffusing light and directing air circulation
11/1992
11/24/1992US5165789 Limited access long stemmed small diameter probe light
11/24/1992US5165788 Shield for a small lamp
11/12/1992DE4214586A1 Beleuchtungseinrichtung an gasabsaug- und/oder gaszufuhrvorrichtungen an arbeitsplaetzen Illumination means to gasabsaug- and / or gas supply devices working places
11/10/1992US5161884 Thermal element for maintaining minimum lamp wall temperature in fluorescent fixtures
11/04/1992EP0511829A2 Improvements in high intensity lighting projectors
10/1992
10/27/1992CA1309451C Single-ended compact halogen discharge lamp and reflector combination
10/15/1992WO1992017732A1 High efficiency fiber optics illuminator with thermally controlled light guide bushing
10/13/1992US5154507 Light with housing for linear lamp bulb
09/1992
09/17/1992WO1992015822A1 A lamp fitting
09/15/1992US5147130 Cooling liquid recirculation system for light source unit
09/02/1992CN2114753U Imroved back hood and connecting device of desk lamp
08/1992
08/26/1992CN2114221U Double-layer ventilating energy-saving electronic fluorescent lamp
08/25/1992CA1306730C Heat shield for low profile automotive headlight
08/20/1992DE4104724A1 Lamp with constriction in housing for accelerated convection - has foundation portion whose ID increases in upward direction with distance from source of heat
08/11/1992US5138541 Lamp with ventilated housing
08/06/1992WO1992013433A1 Light source for use in hazardous atmospheres
08/05/1992CN2112061U Energy-saving lamp set
08/04/1992US5136493 Heat dissipating outdoor lamp holder
08/04/1992US5136490 Electric light fixture with enhanced heat dissipation capability
08/04/1992US5136486 Lighting fixture with diffuser for light and air
08/04/1992US5136483 Illuminating device
07/1992
07/28/1992US5134554 Lighting system
07/21/1992US5132683 Neon pedestrian crossing signal
07/19/1992WO1992013230A1 Light with housing for linear lamp bulb
07/14/1992US5130913 Lighting device with dichroic reflector
07/14/1992US5130902 Light, in particular for motor vehicles
06/1992
06/09/1992US5121309 Industrial luminaire with a quickly installed new and improved optical assembly
05/1992
05/20/1992EP0485864A1 Irradiation device
05/20/1992EP0485735A1 Recessed lighting fixture
05/06/1992EP0484117A2 Heat sink for metal halide lamp
04/1992
04/30/1992DE4034316A1 Fireproof sec. light with metal vapour lamp - giving good light distribution in mining applications
04/08/1992CN2101172U Flashless high-efficient light
04/02/1992WO1992005389A1 Fixed built-in lighting fixture with special false ceiling lock, fastening of the lamp, of the protective glass, and special cooling system
03/1992
03/24/1992US5099403 Louvers added to lcd backlight assembly for ventilation
03/24/1992US5099399 High efficiency fiber optics illuminator with thermally controlled light guide bushing
03/24/1992CA1297853C Headlamp ventilation system
02/1992
02/25/1992US5091835 High intensity lamp with improved air flow ventilation
02/25/1992US5091830 Projection type vehicular headlamp
02/19/1992CN2096697U Tube fluorescent lamp with radiating function
01/1992
01/07/1992US5079683 Appartaus for producing light distributions
01/07/1992US5079681 Illuminating apparatus
12/1991
12/26/1991WO1991019939A1 Light signalling device comprising a red light with thermal homogenization
12/10/1991US5072349 Lighting device for surgical and medical uses
12/05/1991DE4017654A1 Hand held mining lamp with firedamp protection - has three housing sections, electrically coupled via pressure tight cable guides, and rechargeable batteries
11/1991
11/21/1991EP0457645A2 Lighting device
11/16/1991CA2041906A1 Lighting fixture
11/13/1991EP0455887A2 Lighting device
11/13/1991EP0455886A2 Liquid crystal display
11/12/1991US5065294 Fitting for horticultural lighting
11/06/1991EP0454969A2 Lighting device for an oven
11/06/1991EP0454815A1 Lamp
11/06/1991CN1014626B Fitting for horticultural lighting
10/1991
10/24/1991DE4012588A1 Light for low ambient temp. use - has lamp surrounded by heat insulating translucent sleeves
10/22/1991US5059860 Illuminating light source for color image recording device
10/20/1991WO1991016570A1 Apparatus for producing light distributions
10/20/1991CA2079875A1 Apparatus for producing light distributions
10/08/1991US5055988 Surgery lamp with ventilation for cooling
10/08/1991US5055697 Infrared radiator
10/03/1991WO1991014620A1 Modular lighting system, in particular for airport runways and taxiways
09/1991
09/26/1991DE4008932A1 Modular lighting recessed into airport runways - has circular bases with independent light modules for directional beam
09/18/1991EP0446423A1 Lighting fixture
09/17/1991US5050055 Heat dissipating high intensity lamp housing
08/1991
08/20/1991US5041950 Lighting system
08/14/1991EP0440897A1 Interior light for vehicle
08/06/1991US5038256 Lighting fixture with diffuser for light and air
08/06/1991US5038255 Vehicle lamp
07/1991
07/30/1991US5036242 Lamp cooling system
07/23/1991US5034866 Multilamp strip light luminaire system
07/16/1991US5032966 Bulb and reflector assembly
07/10/1991EP0167591B1 Lamp support
07/09/1991US5030889 Lamp ballast configuration
06/1991
06/18/1991US5025356 Small profile high wattage horitcultural luminaire
06/11/1991CA1284794C Ventilation system for stage light instrument
06/04/1991US5021932 Safety device for combined ventilator/light unit
05/1991
05/30/1991WO1991007621A1 Lamp
05/07/1991US5014168 Radio-light fixture
04/1991
04/24/1991EP0423920A2 Lamp cooling system
04/23/1991US5010452 Therapeutic lamp for biostimulation with polarized light
04/17/1991EP0422084A1 Light, in particular a light for motor vehicles.
03/1991
03/26/1991US5003432 Down lighting systems and fixtures therefor
03/19/1991US5001608 Therapeutic lamp emitting polarized light
1 ... 426 427 428 429 430 431 432 433 434 435 436 437 438 439