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Class Information
Number: 392/393
Name: Electric resistance heating devices > Heating devices (class 219 subclass 200) > Vaporizer > By light bulb heat source
Description: Subject matter wherein the substance is converted to the vapor state by the heat generated from an incandescent filament enclosed in a sealed, transparent envelope.










Patents under this class:

Patent Number Title Of Patent Date Issued
8693852 Warmers for scented oils Apr. 8, 2014
8494351 Decorative lighting with scent dispensers Jul. 23, 2013
8369694 Portable vaporizing dispenser Feb. 5, 2013
8281514 Organic insect extermination lamp Oct. 9, 2012
8265466 Combination aroma diffuser Sep. 11, 2012
7946748 Mosquito repellent lamp May. 24, 2011
7789851 Heating solutions for fluid media Sep. 7, 2010
7748861 Light with heater Jul. 6, 2010
7670566 Air treatment devices with use-up indicators Mar. 2, 2010
7651666 Air treatment device with reservoir refill Jan. 26, 2010
7593625 Fluid heating apparatus Sep. 22, 2009
7572412 Aroma lamp Aug. 11, 2009
7503675 Combination light device with insect control ingredient emission Mar. 17, 2009
7380954 Floodlight with atomiser Jun. 3, 2008
7246919 LED light bulb with active ingredient emission Jul. 24, 2007
7046919 Aroma diffuser May. 16, 2006
6846388 Apparatus for and method of heating fluid and distilling fluid Jan. 25, 2005
6551560 Two-stage dispensing mat Apr. 22, 2003
6447734 Vaporization and cracker cell apparatus Sep. 10, 2002
6099137 Vehicle air freshener powered from cigarette lighter receptacle Aug. 8, 2000
6090349 Diffuser Jul. 18, 2000
6035098 Scent lamp Mar. 7, 2000
5876678 Team spirit air freshener Mar. 2, 1999
5677982 Humidifier with UV anti-contamination provision Oct. 14, 1997
5647052 Volatile substance dispenser and method of dispensing a volatile substance with dissipation indication Jul. 8, 1997
4849181 Heat activated dispenser for vaporizable materials Jul. 18, 1989
4647428 Air freshener method Mar. 3, 1987
4647433 Long-life aroma-generating capsule Mar. 3, 1987
4627963 Heat activated dispenser and method of dispensing a vapor therefrom Dec. 9, 1986
4579717 Air freshener Apr. 1, 1986
4544592 Aroma-generating capsule Oct. 1, 1985
4332773 Apparatus for growing crystals Jun. 1, 1982
4216176 Humidifier Aug. 5, 1980
4184099 Composition for slow release of volatile ingredients at _high temperature; and article comprising same Jan. 15, 1980
4074111 Vaporizing attachment for light bulbs Feb. 14, 1978
3948445 Material vapor generator with heat accelerated vapor release Apr. 6, 1976











 
 
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