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Class Information
Number: 313/279
Name: Electric lamp and discharge devices > With support and/or spacing structure for electrode and/or shield > For filament > Support intermediate of filament ends
Description: Devices which have supporting means which engage and support the filament intermediate the ends of the filament.










Patents under this class:

Patent Number Title Of Patent Date Issued
7518301 Electron tubes Apr. 14, 2009
7307375 Inductively-driven plasma light source Dec. 11, 2007
6856078 Lamp filament design Feb. 15, 2005
6803721 Halogen incandescent lamp Oct. 12, 2004
6781291 Filament support for lamp Aug. 24, 2004
6717339 Light bulb provided with a device for preventing short-circuits Apr. 6, 2004
6611105 Electric bulb structure Aug. 26, 2003
6429579 Apparatus and method of lead centering for halogen/incandescent lamps Aug. 6, 2002
6400077 Electric incandescent lamp Jun. 4, 2002
5834892 Fluorescent display tube Nov. 10, 1998
5686794 Halogen incandescent lamp with filament positioning arrangement Nov. 11, 1997
5680009 Method of making an electric incandescent lamp, and electric lamp made in accordance with the method Oct. 21, 1997
5675218 Incandescent lamp and a lighting apparatus using the lamp Oct. 7, 1997
5659222 Vacuum sealed incandescent lamp with improved filament support structure Aug. 19, 1997
5500566 Light bulb filament dampening system Mar. 19, 1996
5416376 Aerogel-supported filament May. 16, 1995
5404069 Filament support for incandescent lamps Apr. 4, 1995
5384510 Incandescent lamp with an improved filament implementation Jan. 24, 1995
5367220 Electric lamp with a holding frame for a lamp filament Nov. 22, 1994
5289078 Electron source for a display device Feb. 22, 1994
5179317 Fluorescent luminous device having a vibration absorbing element Jan. 12, 1993
5146134 Halogen incandescent lamp, particularly for operation from power networks, and method of its manufacture Sep. 8, 1992
5101138 Halogen-filled incandescent lamp and inside current conductor therefor Mar. 31, 1992
5079475 Electric incandescent lamp having a looped filament support member Jan. 7, 1992
4994707 Vibration-resistant single-ended halogen incandescent lamp Feb. 19, 1991
4959586 Electric incandescent lamp Sep. 25, 1990
4935662 Electric lamp having a coiled incandescent filament and filament movement restraint means Jun. 19, 1990
4918354 Compact coiled coil incandescent filament with supports and pitch control Apr. 17, 1990
4916353 Incandescent lamp utilizing cylindrical transparent heat mirror Apr. 10, 1990
4868451 Lamp filament support construction Sep. 19, 1989
4839559 Radiant energy incandescent lamp Jun. 13, 1989
4806817 Filament supporting multi-planar wire insert for electric incandescent lamp Feb. 21, 1989
4766339 Electric lamp with reinforced filament structure Aug. 23, 1988
4720653 Electric lamp with bridge support member providing both compressive and axial support Jan. 19, 1988
4626735 Incandescent lamp having two lead-in conductors sealed within one end and including expansion means Dec. 2, 1986
4621220 Incandescent lamp having two lead-in conductors sealed within one end thereof Nov. 4, 1986
4613787 Lamps filament supports for tungsten halogen incandescent Sep. 23, 1986
4598342 Low wattage double filament tungsten-halogen lamp Jul. 1, 1986
4359665 Filament support for tubular lamp Nov. 16, 1982
4310782 Lamp filament support Jan. 12, 1982
4208608 Lamp mount structure Jun. 17, 1980
4208606 Filament-support means for a tubular incandescent lamp Jun. 17, 1980
4185219 Tubular incandescent lamp Jan. 22, 1980
4179636 Electric incandescent lamp Dec. 18, 1979
4145630 Halogen-cycle type incandescent lamp Mar. 20, 1979
4052637 Halogen incandescent lamp Oct. 4, 1977
4023060 Ruggedized, high power tungsten-halogen lamp May. 10, 1977
3983441 Multiple pinch incandescent lamp Sep. 28, 1976
3982145 Filament supports for tubular electric incandescent lamps Sep. 21, 1976
3940650 Electric incandescent lamp Feb. 24, 1976











 
 
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