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Class Information
Number: 313/315
Name: Electric lamp and discharge devices > Incandescent lamps
Description: Lamps which are provided with a glower or filament adapted to be heated to incandescence by the passage of an electric current therethrough.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7576480 |
Halogen incandescent lamp and method for its production |
Aug. 18, 2009 |
| 7541726 |
Lamp filament |
Jun. 2, 2009 |
| 7498730 |
Light emitting device with photonic crystal |
Mar. 3, 2009 |
| 7487781 |
Energy converter and method of making the same |
Feb. 10, 2009 |
| 7461953 |
Vehicle headlamp |
Dec. 9, 2008 |
| 7456558 |
Electric incandescent lamp provided with different pitch factors for each end of a filament component |
Nov. 25, 2008 |
| 7402952 |
Incandescent lamp with a carbon cycle and a halogen cycle |
Jul. 22, 2008 |
| 7362049 |
Blue-enriched incandescent lamp |
Apr. 22, 2008 |
| 7321188 |
Light filament formed from carbon nanotubes |
Jan. 22, 2008 |
| 7321189 |
Wedge lead lamp |
Jan. 22, 2008 |
| 7282846 |
Christmas bulb structure |
Oct. 16, 2007 |
| 7230589 |
Image-forming device |
Jun. 12, 2007 |
| 7190117 |
Incandescent lamp having a carbide-containing luminous element |
Mar. 13, 2007 |
| 7012369 |
System for attaching a filament to a current lead-in |
Mar. 14, 2006 |
| 6980734 |
Lamp filament design |
Dec. 27, 2005 |
| 6888907 |
Controlled fusion in a field reversed configuration and direct energy conversion |
May. 3, 2005 |
| 6822392 |
Incandescent lamp for motor vehicle headlights |
Nov. 23, 2004 |
| 6812626 |
Light source with matrix of microfilaments |
Nov. 2, 2004 |
| 6777859 |
Light source |
Aug. 17, 2004 |
| 6771054 |
Current generator for low power voltage |
Aug. 3, 2004 |
| 6729748 |
Internally illuminated candle |
May. 4, 2004 |
| 6683411 |
Discharge lamp, ultraviolet ray irradiation apparatus and method of using the apparatus |
Jan. 27, 2004 |
| 6661177 |
High-pressure discharge lamp with ignition circuit including halogen incandescent lamp |
Dec. 9, 2003 |
| 6657369 |
Lamp with reflector and method of manufacturing the same |
Dec. 2, 2003 |
| 6633112 |
Filament array for incandescent lamp |
Oct. 14, 2003 |
| 6611085 |
Photonically engineered incandescent emitter |
Aug. 26, 2003 |
| 6586864 |
Reflector lamp having a reflecting section with faceted surfaces |
Jul. 1, 2003 |
| 6577046 |
Electric discharge lamp with forked contacts |
Jun. 10, 2003 |
| 6559597 |
Rotating liquefied filament for high efficiency incandescent lamps |
May. 6, 2003 |
| 6501219 |
Shatter-resistant incandescent lamp, silicone coating composition, and method |
Dec. 31, 2002 |
| 6469426 |
Incandescent lamp having a helical coil that comprises multiple sections of different pitches |
Oct. 22, 2002 |
| 6411021 |
Wedge base bulb with color coating |
Jun. 25, 2002 |
| 6300710 |
Filament lamp for emission of yellow light |
Oct. 9, 2001 |
| 6262534 |
Lamp having light source mounted directly to stem |
Jul. 17, 2001 |
| 6242872 |
Programmable gradual illumination lighting device |
Jun. 5, 2001 |
| 6204598 |
Electric incandescent lamp with sintered glass plate |
Mar. 20, 2001 |
| 6190466 |
Non-sag tungsten wire |
Feb. 20, 2001 |
| 6120737 |
Fragrant light bulb ring |
Sep. 19, 2000 |
| 6031331 |
Electric lamp having lamp vessel with improved pinch seal |
Feb. 29, 2000 |
| 6031321 |
Infrared thermal lamp |
Feb. 29, 2000 |
| 6018216 |
Multielement selective emitter |
Jan. 25, 2000 |
| 5977001 |
Glass composition |
Nov. 2, 1999 |
| 5949181 |
Automotive lamp bulb with alignment bead |
Sep. 7, 1999 |
| 5932956 |
Conductive pins for an illumination lamp |
Aug. 3, 1999 |
| 5818154 |
Halogen incandescent lamp in cementless base |
Oct. 6, 1998 |
| 5814840 |
Incandescent light energy conversion with reduced infrared emission |
Sep. 29, 1998 |
| 5793159 |
Lensed end lamp with curved filament for uniform illumination |
Aug. 11, 1998 |
| 5757111 |
Night light with phosphorescent element |
May. 26, 1998 |
| 5680003 |
Coiled-coil filament design for an incandescent lamp |
Oct. 21, 1997 |
| 5659222 |
Vacuum sealed incandescent lamp with improved filament support structure |
Aug. 19, 1997 |
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