Patents for F21V 23 - Arrangement of electric circuit elements in or on lighting devices (46,764) |
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03/09/1982 | US4319314 Light fixture with internal connection zone |
03/09/1982 | US4319311 Readily collapsable portable lighting system having a simplified holder for color filters |
03/02/1982 | US4318160 Fluorescent lamp conversion unit |
03/02/1982 | US4318159 Magnetic light fixture |
02/16/1982 | CA1118487A1 Lightweight fluorescent lamp ballast |
02/03/1982 | EP0045182A1 Compact fluorescent lamp |
01/26/1982 | US4313208 Methods and apparatus for transmitting electromagnetic radiation for illumination and communication |
01/20/1982 | EP0044195A1 Compact fluorescent lamp arrangement |
01/19/1982 | CA1116688A1 Lighting device |
01/12/1982 | US4310878 Digital feedback control system |
01/12/1982 | US4310874 Grounded dual voltage trouble light and extension cord |
01/05/1982 | US4309745 Reflector |
12/23/1981 | EP0042362A1 Hand-lamp with at least one fluorescent tube |
12/01/1981 | US4303969 Portable dance floor system |
11/10/1981 | US4300188 Detachable lamp assembly |
11/03/1981 | US4298921 Lamp |
10/06/1981 | US4293894 Battery operated illuminating device |
09/16/1981 | EP0035747A1 Lighting fixture for telegraph apparatuses and office machines |
09/08/1981 | US4288844 Electrically focused surgical light |
09/08/1981 | US4288725 Lightweight fluorescent lamp ballast |
08/25/1981 | US4286313 Balanced industrial luminaire |
08/04/1981 | US4282563 Fluorescent lamp unit |
07/29/1981 | EP0032721A1 Electric connection between a recessed lighting fixture and supply conductors |
07/28/1981 | US4281365 Variable photoelectric cell |
07/14/1981 | US4278911 Circular fluorescent lamp unit |
06/24/1981 | EP0030738A1 Ballast support for fluorescent lamps |
06/23/1981 | CA1103639A1 Sport light and ballast module |
06/16/1981 | US4274130 Combination flashlight and high intensity light source |
06/09/1981 | US4272689 Flexible wiring system and components therefor |
05/26/1981 | US4270171 Position sensing and indicating device |
04/28/1981 | US4264945 Vertical indicia displaying and energy supply column |
04/21/1981 | US4263640 Lighting device |
04/07/1981 | US4261029 Lighting device with rotatable reflector |
04/01/1981 | EP0026010A1 Housing for a working space equipment and profile piece for said housing |
03/31/1981 | US4259709 Decorative lighting assembly |
03/24/1981 | CA1098097A1 Removable dust-free lamp unit with contactless switch |
03/03/1981 | CA1096833A1 Switch for flexible walled flashlight |
02/17/1981 | US4251856 Image projecting device |
02/17/1981 | CA1095869A1 Fluorescent rail fixture |
01/20/1981 | US4246632 Lamp assembly and method of manufacture thereof |
01/20/1981 | CA1094033A1 Latch assembly for removably securing electrical component tray in light fixture housing |
12/30/1980 | US4242724 Disposable floating flashlight |
12/23/1980 | US4241386 Fluorescent lamp adapter for residential incandescent-type lamp fixture |
12/09/1980 | US4238816 Lamp for the maintenance, servicing and repairing of motorvehicles |
11/04/1980 | US4232361 Adjustable light fixture |
11/04/1980 | CA1088999A1 Fluorescent lamp unit for multiple installation |
11/04/1980 | CA1088904A1 Lamp assembly |
10/07/1980 | US4227228 Miniature socketed fuse for a decorative string of series-connected miniature incandescent lamps |
09/16/1980 | US4223377 Electra brick |
09/02/1980 | US4220986 Hinged ballast tray |
08/26/1980 | US4219869 Apparatus for mounting and supplying power to a luminaire |
08/26/1980 | US4219868 Plug-in lighting system |
08/05/1980 | US4216464 Sound responsive light device |
07/29/1980 | US4215389 Battery operated light |
07/23/1980 | EP0013381A1 Reflector lighting fixture for high-pressure lamps |
07/22/1980 | US4214295 Portable electric lamp adjustable from spot beam to diffused beam |
07/08/1980 | US4211959 Touch-control adapter for electric lamps |
07/01/1980 | US4210953 Self-illuminated case |
06/24/1980 | US4209853 Holographic system for object location and identification |
06/24/1980 | US4209852 Signal processing and memory arrangement |
06/24/1980 | US4209843 Method and apparatus for signal enhancement with improved digital filtering |
06/24/1980 | US4209728 Outdoor lighting system and method |
06/10/1980 | US4207606 Luminaire apparatus and improved means for connecting same with a power source |
06/10/1980 | CA1079244A1 Automatic night light circuit and structure |
05/20/1980 | US4204139 Integral fluorescent lamp-ballast unit |
04/29/1980 | US4200903 Compact portable indirect lighting fixture with acoustical control |
04/22/1980 | US4199803 Mercury vapor floodlight fixture assembly and method |
03/04/1980 | US4191989 Recessed interior fluorescent luminaire |
02/05/1980 | US4187532 Electronic candle |
01/29/1980 | US4186432 Lamp for use in subterranean applications |
01/22/1980 | CA1070281A1 Fluorescent tube lighting fixture |
01/15/1980 | US4184194 Self-energized portable high density light display unit |
01/08/1980 | US4183077 Light projector |
01/01/1980 | US4181304 Illuminated dice and storage housing |
12/11/1979 | US4178627 Lamp assembly |
12/11/1979 | US4178626 Drawer light |
11/13/1979 | CA1066248A1 Fluorescent lamp unit having ballast resistor |
10/30/1979 | US4173035 Tape strip for effecting moving light display |
10/16/1979 | US4171535 Luminaire for concealed T ceiling systems |
10/02/1979 | CA1063573A1 Lighting fixture with removable electrical component mounting arrangement |
09/25/1979 | CA1063077A1 Luminaire ballast mounting system |
09/25/1979 | CA1063075A1 System for electrical interconnection and switching of multiple lighting fixtures |
09/11/1979 | US4167783 Portable lighting system having a foot operated dimmer |
08/14/1979 | US4164783 Sport light and ballast module |
08/14/1979 | CA1060410A1 Flashlight having a magnet-switch combination |
08/07/1979 | CA1059962A1 Flashlight |
07/31/1979 | US4163176 Energy saving fluorescent lamp |
07/17/1979 | CA1058594A1 Modular block fluorescent lamp suspension system |
05/29/1979 | US4156902 Latch assembly for removably securing electrical component tray in light fixture housing |
05/29/1979 | US4156890 Flash assembly using elongated trigger bar |
05/29/1979 | CA1055458A1 Sectional lighting fixture with individual plug and socket members |
05/22/1979 | US4156270 Outdoor lighting fixture |
05/22/1979 | US4155608 Gun cabinet |
05/01/1979 | US4152755 Portable magnetically actuatable flashlight |
05/01/1979 | CA1053633A2 Three-position flashlight switch |
03/27/1979 | US4146820 Fluorescent lamp power reducer |
03/13/1979 | US4144582 Voice signal processing system |
02/06/1979 | US4138621 Short-arc discharge lamp with starting device |
01/09/1979 | US4134045 System for electrical interconnection and switching of multiple lighting fixtures |
12/26/1978 | CA1045100A1 Portable battery-operated electric light |