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