Patents for F21V 25 - Safety devices structurally associated with lighting devices (3,540)
01/1995
01/04/1995EP0631544A1 Linear lamp holographic trapped beam center high mounted stoplight.
01/03/1995US5379195 For illuminating an area containing ignitable materials
12/1994
12/07/1994CN2184852Y Energy saving explosion-departing fluorescent lamp
11/1994
11/15/1994US5363590 Safety apparatus for candles
10/1994
10/04/1994CA1332230C Portable lamp
09/1994
09/13/1994US5347435 Linear lamp holographic trapped beam center high mounted stoplight
09/07/1994CN2176487Y Self cooling explosionproof lamp
08/1994
08/30/1994US5343370 Motor vehicle headlamp
08/24/1994EP0611916A1 Lamp for microwave ovens
08/18/1994DE4304522A1 Luminaire for microwave oven
08/17/1994EP0610239A1 El lights and emergency lighting system for hazardous areas
08/16/1994US5339230 Encapsulated charged gas light apparatus
07/1994
07/26/1994US5333073 Backlight device and liquid crystal display having conductive film on electromagnetic shield or diffuser between fluorescent tubes and display
07/07/1994WO1994014632A1 Linear lamp holographic trapped beam center high mounted stoplight
06/1994
06/23/1994DE4304970A1 Lantern which extinguishes when subjected to impact or tilting
06/01/1994EP0598724A1 Light source for use in hazardous atmospheres
05/1994
05/25/1994EP0598068A1 Means for preventing overheating of electronic elements housed in the foot of a spotlight
05/25/1994CN2166306Y Wire-incoming chamber device for explosion-proof lamp
04/1994
04/28/1994DE4235857A1 Heat sensitive door safety device - actuates acoustic signal to firmly indicate possible danger to door by exposure to heat radiation from lamp
03/1994
03/09/1994CN2158495Y Energy saving explosive-proof fluorescent lamp
03/01/1994US5291379 Protective lamp-shade
02/1994
02/22/1994US5289352 Headlamp for motor vehicles
02/15/1994US5287258 Headlamp for motor vehicles
02/01/1994US5283721 Self mounting refrigerator light heat shield
12/1993
12/29/1993CN2151363Y Durable explosionproof lamp
12/09/1993WO1993024789A1 Improvements in or relating to search lamps and torches
11/1993
11/24/1993CN2147422Y Multi-function mineral explosion-proof hydranlic frame lamp
11/09/1993US5260856 Headlamp for motor vehicles
11/04/1993DE4214643A1 Car headlamp with protective device - rendering gas discharge bulb inoperative if headlamp lens is broken in accident
11/02/1993US5258686 Automotive lamp device with electromagnetic shielding
09/1993
09/22/1993EP0561317A2 Explosion-proof apparatus, especially lamp
09/08/1993CN2141866Y Mining energy-saving explosion-proof light
08/1993
08/25/1993EP0556710A2 Lamp
08/17/1993US5237489 Headlight for motor vehicles
08/03/1993CA1320939C Search lamps and torches
07/1993
07/21/1993CN1074523A All-plastic flame-proof mine lamp
07/20/1993US5228766 Automotive headlamp
06/1993
06/24/1993DE4141587A1 Motor vehicle headlamp with conductive track around sleeve - is safeguarded by automatic disconnection of high=voltage supply to discharge lamp when sleeve is broken
06/15/1993US5219444 Motor vehicle headlight having reduced uv radiation emission
06/10/1993WO1993011387A1 Discharge lamp projector, particularly working projector or motor vehicle light
06/09/1993DE4140155A1 Lighting assembly for motor vehicle with standby safety provision - has duplicate bulbs for all standard vehicle lights with automatic electronic changeover and indication of faulty circuit.
06/02/1993EP0544559A1 Surgical lamp with automatic adjustment of the light intensity on the operating field
05/1993
05/19/1993CN2133752Y Lamp set hang anel safety unit of lock lamp cluster
05/13/1993WO1993009584A1 Open circuit monitor
05/06/1993DE4135597A1 Vehicle headlamp with discharge lamp and UV filter - has filter with slot for air cooling and with conducting track to monitor filter breaking
05/06/1993DE4135596A1 Vehicle headlamp with discharge lamp and UV filter - has failsafe electrical connection through beam defining aperture on UV filter to switch lamp off if filter breaks
04/1993
04/28/1993CN2131013Y Explosion-proof energy-saving fluorescent lamp with two lamps in parallel
04/28/1993CN2131012Y Explosion-proof energy-saving fluorescent lamp with two lamps in-line
04/01/1993WO1993006415A1 Means for preventing overheating of electronic elements housed in the foot of a spotlight
03/1993
03/31/1993EP0533987A1 Tank inspection light
03/01/1993WO1993005337A1 El lights and emergency lighting system for hazardous areas
03/01/1993CA2102437A1 El lights and emergency lighting system for hazardous areas
02/1993
02/23/1993US5188444 Vehicular headlamp
02/04/1993DE4125320A1 Safety lamp with sealed cover for remote cameras, etc. - has outer cover with thick glass screwed down on rear casing which holds lamp for use in areas with explosion risk
01/1993
01/19/1993US5180218 Automotive projection type headlamp having no ultraviolet rays output
12/1992
12/22/1992US5173637 Fluorescent lamp with protective assembly
11/1992
11/05/1992DE4114638A1 Cupboard with lamp and door-operated safety switch - prevents overheating of top of door in half-open position within range of radiation from lamp
10/1992
10/27/1992US5158359 Sealed illumination system
10/14/1992EP0508230A2 Sealing arrangement for a fluorescent lamp
10/08/1992DE4110985A1 Explosion proof hand-lamp with housing and rotation symmetrical reflector part - has reflector surrounding lamp bulb which can be adjusted to alter light direction, set of batteries and current supply components accommodated in lamp housing
09/1992
09/02/1992EP0501371A2 Elongated lighting fixture
09/01/1992US5144189 Automotive high voltage discharge lighting system and assembly
08/1992
08/27/1992DE4105426A1 LV halogen lamp with safety cut=out control - is switched off by pref. three detectors of reflection from surface in hazardous proximity to lamp
08/18/1992US5140216 Explosion proof lamp with liquid extinguishant
08/06/1992WO1992013433A1 Light source for use in hazardous atmospheres
07/1992
07/28/1992US5134547 Electric apparatus housing an electromagnetic wave noise generating source
07/22/1992EP0495027A1 Headlamp for motor vehicles.
07/15/1992CN2110135U Explosion protection energy-saving lamp
06/1992
06/30/1992US5126510 Thermal protector housing for lighting fixtures
06/25/1992DE4138942A1 Electrical light bulb
06/25/1992DE4040264A1 Compressed air powered searchlight - uses small air-powered turbine for generator behind reflector housing and compressed air cooling giving explosion and fire damp protection
06/24/1992EP0491230A2 Lamp
06/23/1992US5124895 Electric discharge lamp arrangement and headlamp for motor vehicle using same
06/03/1992EP0487679A1 Vehicle headlight.
06/03/1992EP0487665A1 Motor vehicle headlamp
05/1992
05/26/1992US5117345 Portable lamp
05/12/1992US5113330 Aimable headlamp having a discharge lamp bulb and a lighting circuit therefor
05/06/1992CN2103727U Explosion-proof flashlight
04/1992
04/30/1992DE4034316A1 Fireproof sec. light with metal vapour lamp - giving good light distribution in mining applications
04/28/1992US5109322 Safety beacon
04/08/1992CN2101173U Short circuit protective mine lamp
04/07/1992CA1298573C Wall-mounted over-bed lighting fixture
03/1992
03/18/1992EP0474806A1 Motor vehicle headlight.
03/12/1992DE4128605A1 Discharge headlamp for motor vehicle - has control circuit inside screenedcompartment behind lamp
03/03/1992US5093767 Space lighting fitting
03/03/1992CA1296782C Grounding device for lamp with shielded electrodes
02/1992
02/27/1992DE4114691C1 Cupboard with light above door - has heat shield on door to prevent warping of wood by heat from light unit
02/20/1992WO1992002757A1 Headlamp for motor vehicles
02/18/1992CA1295979C Lighting system for hazardous areas
12/1991
12/31/1991US5077645 Low voltage halogen lighting fixture
12/26/1991WO1991019938A1 Vehicle headlight
12/26/1991WO1991019937A1 Motor vehicle headlamp
12/17/1991US5073846 Safety device for halogen light
12/17/1991CA1293231C Flashlight with a backup system
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
11/27/1991CN2089569U Electric protective anti-explosive cold cathode fluorescent lamp
11/26/1991US5068720 Video inspection system for hazardous environments
10/1991
10/31/1991DE4013271A1 Holder for single socket fluorescent light tube - has recessed body with inset contacts for pins of tube
10/23/1991CN2087287U Explosion-proof multi-function fluorescent lamp
10/17/1991WO1991015711A1 Motor vehicle headlight
1 ... 23 24 25 26 27 28 29 30 31 32 33 34 35 36