| Patents for F21V 25 - Safety devices structurally associated with lighting devices (3,540) |
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| 10/10/1991 | DE4101722A1 Scheinwerfer fuer kraftfahrzeuge Headlights for motor vehicles |
| 10/02/1991 | DE4010457A1 Explosion-protected lamp-holder - has bush and housing with axial movement for pins to engage contacts |
| 09/25/1991 | EP0447852A2 Luminaire for an electrodeless high intensity discharge lamp with electromagnetic interference shielding |
| 09/25/1991 | CN2085472U Energy-saving explosion-proof lamp |
| 09/25/1991 | CN2085471U Bulletproof road lamp |
| 09/18/1991 | EP0446692A1 Lighting device using lightguides, especially for cold rooms and explosion-proof rooms |
| 09/04/1991 | CN2084146U 多功能电筒 Multifunctional flashlight |
| 08/27/1991 | US5043853 Field repairable explosion-proof fluorescent fixture |
| 07/31/1991 | EP0438630A1 Explosion-protected lamp holder |
| 07/24/1991 | CN1013299B Special type explosion-proof illumination flashlight |
| 07/11/1991 | DE4016326A1 Halogen lamp overload protector - uses thermal fuse fitting in casing that has two plugs mating with clamp and metal contact |
| 07/03/1991 | CN2080134U Joint of under well explosion-proof lamp and locking device |
| 06/27/1991 | DE3942874A1 Flat lamp construction suitable for mine strut - has safety switch ensuring no current can flow until hood or cover is properly fitted |
| 06/25/1991 | US5027035 Search lamps and torches |
| 06/19/1991 | CN2079255U Explosion insulated fluorecent lamp |
| 06/12/1991 | EP0431462A2 Portable lamp |
| 06/04/1991 | US5021932 Safety device for combined ventilator/light unit |
| 05/22/1991 | CN2077513U Explosion-proof fluorecent lamp |
| 04/30/1991 | US5012395 Modular explosion protected lamp fixture meeting "increased safety" standards |
| 04/16/1991 | US5008787 System for insulated support of neon lights |
| 04/09/1991 | US5006763 Luminaire for an electrodeless high intensity discharge lamp with electromagnetic interference shielding |
| 03/27/1991 | EP0418666A2 Lamp for a fluorescent tube |
| 03/26/1991 | US5003432 Down lighting systems and fixtures therefor |
| 03/14/1991 | DE3928385A1 Microwave oven with internal lamp and metallic gratings - is constituted by perforated sheets arranged around axis of lamp with partial overlap for ease of assembly |
| 03/05/1991 | US4998192 Lamp with guard |
| 02/05/1991 | US4991070 Sleeve for a light element |
| 01/31/1991 | DE3924980A1 Fire damp-protected lighting of dials of underground machinery - uses optical fibre waveguides to conduct light from central source to scales without or with scattering |
| 01/30/1991 | EP0410582A1 Space lighting fitting |
| 12/27/1990 | EP0404406A2 Light source unit for using exposure |
| 12/25/1990 | US4980809 Luminaire with automatic voltage disconnect |
| 12/11/1990 | CA1277649C Safety ceiling fixture with heat sensor |
| 12/05/1990 | EP0400267A1 Endoscope light source enclosed in a screened container |
| 11/08/1990 | DE4012282A1 Road vehicle lighting unit - has gas discharge bulb unit with integrated starter circuit module |
| 10/24/1990 | CN2064456U Explosion-preventing flashlights |
| 10/18/1990 | DE3911901A1 Explosion protected light - has housing with cover that locates on formed projections of base |
| 10/17/1990 | EP0392217A1 Elongated light fixture |
| 10/17/1990 | EP0392198A1 Elongated light fixture |
| 10/17/1990 | EP0392136A2 Explosion-proof light fitting |
| 10/02/1990 | US4961111 Video inspection system for hazardous environments |
| 09/27/1990 | DE3909889A1 Strip light |
| 09/26/1990 | EP0389408A1 Axially symmetrical high-power projector for metal-vapour halogen lamps |
| 09/25/1990 | US4959762 Luminaire containment means for lamp rupturing |
| 09/20/1990 | DE4002589A1 Explosion resistant housing for point discharge lamp - divided internally into two chambers fitted with rear cover and lamp glass sized for different lamps |
| 09/20/1990 | DE3908619A1 Striplight |
| 09/19/1990 | CN1009637B Assembly of headlight and connector |
| 09/18/1990 | US4958267 Portable lamp |
| 07/26/1990 | DE3900908A1 Accumulator-powered electrical apparatus (electrical appliance powered by a rechargeable battery) |
| 07/25/1990 | EP0378734A1 Inspection glass light |
| 07/12/1990 | DE3910872C1 Explosion-proof holder (fitment, socket) |
| 07/04/1990 | CN2058957U Lighting explosion-proof device for oil supply arrangement |
| 06/26/1990 | US4937717 Lighting system for hazardous areas |
| 05/29/1990 | US4930054 Dual cone recessed lighting fixture |
| 05/01/1990 | US4922383 Photographic illumination apparatus |
| 05/01/1990 | US4922373 Overtemperature protector for incandescent lamp |
| 04/18/1990 | CN2056210U Explosion-proof torch with touch switch |
| 03/28/1990 | CN2055225U Power saving street lamp automatic controller |
| 03/20/1990 | US4910651 High wattage insulated ceiling lighting fixture |
| 03/14/1990 | EP0358417A2 Improvements in or relating to search lamps and torches |
| 01/30/1990 | CA1265185A1 Voltage regulated thermal protection apparatus |
| 01/10/1990 | CN2050925U Interlocking apparatus for explosion-proof fluorescent lamp |
| 12/26/1989 | US4890200 Down lighting systems and fixtures therefor |
| 12/12/1989 | US4887196 Recessed track lighting system |
| 12/06/1989 | EP0344627A2 Explosion-proof light |
| 12/06/1989 | CN2048930U Burst separating energy saving fluorescent lamp |
| 12/05/1989 | US4885670 Portable lamp |
| 11/29/1989 | EP0344023A2 Explosion proof light |
| 11/21/1989 | US4882566 Safety control system for a hospital bed |
| 10/25/1989 | CN2046582U Explosion isolating type support lamp for coal mine |
| 10/19/1989 | DE3811496A1 Luminaire having a plurality of light sources of low-voltage halogen lamps |
| 09/26/1989 | US4870546 Electric lighting device for household appliances such as ovens |
| 08/24/1989 | WO1989007734A1 Grounding device for lamp with shielded electrodes |
| 08/09/1989 | EP0326739A2 Wall-mounted over-bed lighting fixture |
| 08/02/1989 | CN2042148U Explosion-isolating high-efficiency energy-saving tricolour fluorescent lamp for mine |
| 07/20/1989 | DE3800195A1 Luminaire |
| 07/11/1989 | US4847737 Vehicle vanity with light control |
| 07/06/1989 | DE3744253A1 Lamp adaptor |
| 07/06/1989 | DE3744227A1 Lamp socket for explosionproof tube light fittings |
| 06/22/1989 | DE3835535A1 Length of profile with a protective-earth conductor connection |
| 06/21/1989 | EP0320875A2 Lighting device for household appliances such as ovens |
| 06/20/1989 | US4841418 Explosion-proof fixture and method |
| 06/14/1989 | EP0319600A1 Cinematographic lighting device |
| 06/06/1989 | US4837655 Overtemperature protector for incandescent lamp |
| 05/30/1989 | US4835667 Thermal protector device for a lighting unit |
| 05/09/1989 | US4828508 Explosion protected socket and lamp for double base fluorescent lamps |
| 05/03/1989 | EP0314031A2 Lighting fixture with a transparent cover and a body connected to the cover |
| 03/28/1989 | US4816969 Wall-mounted over-bed lighting fixture |
| 03/15/1989 | CN2034332U Fluorescent explosion-proof light with high illumination |
| 03/01/1989 | EP0304812A2 Flame-proof light fitting |
| 02/08/1989 | CN2032285U Gas-discharge lighting device of electric five protection |
| 02/08/1989 | CN2032284U Safety-increasing and energy-saving lamp |
| 02/07/1989 | US4803605 Flashlight with a backup system |
| 01/26/1989 | DE3723867A1 Protective-tubing luminaire |
| 12/29/1988 | DE3820460A1 Tragbare lampe mit aufladbaren batterien und ladeteil Portable lamp with rechargeable batteries and charging part |
| 12/28/1988 | CA1247579A Ceiling mounted lighting fixture with thermal protector |
| 12/27/1988 | US4794499 Grounding device for lamp with shielded electrodes |
| 10/25/1988 | CA1243716A1 Fluorescent lamp bimetal switch contact arrangement |
| 10/19/1988 | CN87102357A Special type explosion-proof illumination flashlight |
| 10/18/1988 | US4779167 Headlight for mine vehicle |
| 10/05/1988 | EP0285349A2 Safety torch |
| 09/27/1988 | US4774647 Trouble light with circuit breaker |