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Class Information
Number: 392/395
Name: Electric resistance heating devices > Heating devices (class 219 subclass 200) > Vaporizer > Liquid evaporant (e.g., water, etc.) > With wick
Description: Subject matter wherein the liquid to be evaporated is transferred from a reservoir to the heating element by a porous or absorbent pad or fibrous matter woven into a bundle.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8666236 Heater assembly for volatile liquid dispenser Mar. 4, 2014
8498524 Vaporizer device of multi-fragrance volatile substances Jul. 30, 2013
8494351 Decorative lighting with scent dispensers Jul. 23, 2013
8483553 Volatile emitter with reduced surface deposition and improved scent noticeability Jul. 9, 2013
RE44312 Evaporation device for multiple volatile substances Jun. 25, 2013
8464729 Hair styler capable of producing steam Jun. 18, 2013
8463114 Motion-sensing evaporator device for volatile substances Jun. 11, 2013
8442390 Pulsed aerosol generation May. 14, 2013
8412030 Method and apparatus for dispensing a fragrance Apr. 2, 2013
8369694 Portable vaporizing dispenser Feb. 5, 2013
8320751 Volatile material diffuser and method of preventing undesirable mixing of volatile materials Nov. 27, 2012
8135265 Device for emitting volatile compositions while reducing surface deposition and improving scent noticeability Mar. 13, 2012
8068725 Fragrance emitting apparatus for use with USB port Nov. 29, 2011
8005350 Gravity driven fluid supply vessel for dispensing an aromatic odor neutralizer Aug. 23, 2011
7992554 Liquid evaporator Aug. 9, 2011
7962017 Device for the evaporation of volatile substances, in particular of aromatics and/or insecticides Jun. 14, 2011
7845213 Volatile liquids having predetermined evaporation profiles Dec. 7, 2010
7848624 Evaporator for use in a heat transfer system Dec. 7, 2010
7744833 Volatile liquids having predetermined evaporation profiles Jun. 29, 2010
7740395 Illuminated air treatment device Jun. 22, 2010
7734159 Dispersion device for dispersing multiple volatile materials Jun. 8, 2010
7722807 Device and containers for emitting volatile compositions May. 25, 2010
7694675 Respirator humidifier Apr. 13, 2010
7674429 Electrostatic disinfectant delivery Mar. 9, 2010
7643735 Deer scent spreading apparatus and method Jan. 5, 2010
7643734 Bottle eject mechanism Jan. 5, 2010
7499632 Device for distributing volatile fluids in air Mar. 3, 2009
7493028 Multiple bottle evaporative diffuser Feb. 17, 2009
RE40464 Evaporation device for multiple volatile substances Aug. 26, 2008
7382975 Evaporator device for active substances with fan Jun. 3, 2008
7379662 Device for diffusing volatile substances May. 27, 2008
7357561 Evaporator device for active substances with an incorporated light Apr. 15, 2008
7352960 Modified air freshener device Apr. 1, 2008
7341698 Electrical evaporator including fan and louver structure Mar. 11, 2008
7311883 System for regulating evaporation intensity in insecticidal freshener devices and the like Dec. 25, 2007
7313321 Methods and apparatus for a discrete vapor-dispensing device Dec. 25, 2007
7305176 Method and device for detecting leaks using smoke Dec. 4, 2007
7288748 PTC electrical heating devices Oct. 30, 2007
7281811 Multi-clarity lenses Oct. 16, 2007
7277626 Illuminated air freshener Oct. 2, 2007
7252805 Device for vaporising and diffusing oils Aug. 7, 2007
7215878 Chip that comprises an active agent and an integrated heating element May. 8, 2007
7209650 Method and device for the evaporation of volatile compounds Apr. 24, 2007
7190888 Method of adjusting the vaporization rate of a device Mar. 13, 2007
7112770 Humidification system and method for a mobile platform Sep. 26, 2006
7106956 Electrical device for the release of active substances Sep. 12, 2006
7085481 Method and apparatus for adjusting the rate of vaporization Aug. 1, 2006
7073781 Humidifier with ultraviolet germicidial light Jul. 11, 2006
7014818 Electrical device for evaporating volatile liquid Mar. 21, 2006
7014819 Device for vaporizing and diffusing oils Mar. 21, 2006

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