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Class Information
Number: 362/211
Name: Illumination > Multiple filament light unit
Description: Subject matter comprising combinations of two or more selectively energizeable filament type light sources in a common envelope and a modifier.










Sub-classes under this class:

Class Number Class Name Patents
362/213 Relatively movable light source or modifier 11
362/215 With corrugated, faceted or fluted reflector and/or lens 26
362/212 With electrical switching means 22
362/214 With mask or screen for at least one filament 32


Patents under this class:
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Patent Number Title Of Patent Date Issued
8267547 Incandescent illumination system incorporating an infrared-reflective shroud Sep. 18, 2012
8011798 Halogen incandescent lamp Sep. 6, 2011
7997778 Vehicle light Aug. 16, 2011
7722210 Automotive lamp and reflector for low beam and advanced forward lighting system May. 25, 2010
7670037 Bending beam headlamp with multi-filament bulb Mar. 2, 2010
7178958 Vehicle light Feb. 20, 2007
7175308 Structure of combined dual sockets Christmas light Feb. 13, 2007
7004601 Signaling device for sighting systems, for example for rescue crafts in the nautical field and the like Feb. 28, 2006
6612727 Lighting apparatus in a motor vehicle Sep. 2, 2003
6611105 Electric bulb structure Aug. 26, 2003
6439739 Incandescent lamp Aug. 27, 2002
6328463 Automobile headlamp Dec. 11, 2001
6238059 Various color light refraction bulb May. 29, 2001
6232707 Wedge base lamp May. 15, 2001
6176605 Headlight unit for a vehicle fulfilling at least two different sets of legal regulations Jan. 23, 2001
6135614 Lamp holder for three-wire Christmas flashing control lamp Oct. 24, 2000
6093999 Vehicle lamp with shaped envelope interior providing a light-trapping dome Jul. 25, 2000
6068391 Headlight with a twin filament lamp for producing a chopped beam and an unchopped beam May. 30, 2000
6056417 Two-part wedge base for lamp May. 2, 2000
5908569 Apparatus for producing a three-dimensional object by laser sintering Jun. 1, 1999
5857764 Vehicle light bulb Jan. 12, 1999
5544021 Motor vehicle headlight including a two-filament lamp for selectively generating a main beam and an anti-fog beam Aug. 6, 1996
5461549 Low beam headlight for motor vehicles Oct. 24, 1995
5272606 Dual circuit lantern Dec. 21, 1993
5215368 Headlight of a motor vehicle for both high-beam and low-beam operation Jun. 1, 1993
5165666 Lamp for vehicle lighting system Nov. 24, 1992
5025352 Lighted grab handles for trucks Jun. 18, 1991
5018054 Exposure device with filter May. 21, 1991
4945453 Vehicular headlamp Jul. 31, 1990
4879491 Electric lamp assembly Nov. 7, 1989
4821154 Multi-bulb light source Apr. 11, 1989
4700277 Auxiliary vehicle lamp Oct. 13, 1987
4687965 Capped electric lamp Aug. 18, 1987
4682072 Headlamp for vehicle Jul. 21, 1987
4638408 Automobile headlight-fog light combination Jan. 20, 1987
4636923 Headlamp for vehicle Jan. 13, 1987
4631651 Replaceable automobile headlight lamp unit and automobile headlight utilizing same Dec. 23, 1986
4580199 Dual filament halogen cycle incandescent lamp for the use in motor vehicle headlamps, for instance in sealed beam headlamps Apr. 1, 1986
4547838 Electric lamp assembly with a molded plastic base Oct. 15, 1985
4523262 Headlight for an automotive vehicle Jun. 11, 1985
4498124 Dual halogen lamp assembly Feb. 5, 1985
4480296 Two-filament lamp for automobile headlight Oct. 30, 1984
4470104 Automotive inner-bulb assembly Sep. 4, 1984
4412273 Halogen incandescent lamp with part metal, part plastic socket, particularly for automotive headlights Oct. 25, 1983
4410835 Utility emergency lamp and solid state switching and battery charging circuit therefor Oct. 18, 1983
4360861 Baseless lamp socket Nov. 23, 1982
4319156 Vehicle headlight having dual filament tungsten halogen lamp Mar. 9, 1982
4295185 Filament mount assembly for miniature incandescent lamp, and method of manufacture Oct. 13, 1981
4214168 Traffic light and motor vehicle taillight lenses Jul. 22, 1980
4110818 Illuminated flag or pennant Aug. 29, 1978

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