Patents for F21V 15 - Protecting lighting devices from damage (12,965) |
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01/27/1981 | US4247884 Fluorescent mine lighting fixture |
01/06/1981 | US4244012 Lamp holder for projection aligner |
12/30/1980 | CA1092574A1 Heat dissipating lighting fixture mount |
12/23/1980 | US4241371 Single filament, dual function, vehicle signal lamp |
12/02/1980 | US4237526 Battery operated device having a waterproof housing and gas discharge vent |
11/25/1980 | US4236195 Light guard |
11/18/1980 | US4234916 Lighting fixture |
10/28/1980 | US4231081 Bulb mount for vehicle lamps |
08/21/1980 | WO1980001712A1 Portable self contained lighting device working on solar radiation |
07/22/1980 | CA1082154A1 Nonconductive light guard |
07/01/1980 | US4210841 All plastic headlamp |
07/01/1980 | US4210070 Ceiling fixture with thermal protection |
04/15/1980 | US4198027 Resilient support for lamp |
04/08/1980 | US4197574 Guard for a light emitting bulb |
04/01/1980 | CA1074755A1 Lamp support system |
03/04/1980 | CA1072931A1 Lighting apparatus |
12/25/1979 | US4180851 Ventilated lamp guard |
12/25/1979 | US4180850 Retractable light fixture |
12/18/1979 | CA1068243A1 Marker lamp assembly |
12/04/1979 | CA1067474A1 Shock resisting vehicular signal lamp |
11/27/1979 | US4176391 Shock isolating lamp assembly |
11/20/1979 | US4175282 Luminaire attachment device |
10/30/1979 | US4173037 Lamp support device |
10/16/1979 | US4171535 Luminaire for concealed T ceiling systems |
10/16/1979 | CA1064567A1 Method and apparatus for the manufacture of printing plates |
09/25/1979 | CA1063076A1 Protective device for lighting fixture lenses |
09/19/1979 | EP0004234A2 Lighting fixture and process for manufacturing a reflecting surface therefor |
09/11/1979 | CA1062220A1 Impact resistant explosion proof lamp comprising encapsulated light source |
07/31/1979 | US4163276 Lighting means, especially headlights of vehicles |
07/31/1979 | CA1059579A1 Self-contained maintenance-free emergency lighting |
07/03/1979 | US4160286 Luminaire shield |
06/19/1979 | US4158880 Mine machine light |
04/17/1979 | US4150422 Armored light projector |
02/20/1979 | US4141061 Vandal-resistant fluorescent fixture |
02/06/1979 | US4138716 Lighting fixture enclosure |
12/19/1978 | US4130185 Pole vibration damper |
12/05/1978 | US4128865 Shock suppressing retainer ring and grommet for sealed beam lamps |
12/05/1978 | US4128862 Lamp mounting |
10/03/1978 | US4118767 Marker lamp lens and mounting therefor |
10/03/1978 | US4118764 Lamp assembly |
09/26/1978 | US4117534 Luminaire arrangement |
09/12/1978 | US4114187 Diver's flashlight |
09/05/1978 | US4112485 Impact resistant explosion proof lamp comprising encapsulated light source |
08/01/1978 | US4104713 Heat dissipating lighting fixture mount |
07/25/1978 | US4103323 Lamp with resilient retainer ring |
04/25/1978 | US4086482 Nonconductive light guard |
01/31/1978 | US4071749 Self-contained maintenance-free emergency lighting |
01/24/1978 | US4070570 Lighting apparatus |
01/24/1978 | US4070567 Marker lamp with resilient bulb support |
11/01/1977 | US4056718 Heavy duty floodlight fixture |
10/11/1977 | US4053760 Warning light guard |
08/23/1977 | US4044246 Ceiling mounted light fixture |
03/01/1977 | US4010362 Luminaire shield device |
02/08/1977 | US4006984 Method and apparatus for the manufacture of printing plates |
01/04/1977 | US4001778 Flasher lamp/protective container assembly |
12/07/1976 | US3996459 Trouble light guard and reflector |
09/14/1976 | US3980878 Vehicular signal lamp |
08/10/1976 | US3974418 Fluorescent lamp unit with ballast resistor and cooling means therefor |
05/11/1976 | US3955702 Enclosed box-like housings |
04/27/1976 | US3953726 Infinitely adjustable level light |
03/30/1976 | US3947679 Box- or channel shaped lighting fixture for liquid cooling |
03/23/1976 | US3946263 Encapsulated lamp assembly |
03/16/1976 | US3944807 Infrared lamp holder |
02/03/1976 | US3936671 Illumination system |
01/27/1976 | US3935560 Light guard |