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Class Information
Number: 261/DIG.89
Name: Gas and liquid contact apparatus > Aroma dispensers > Electrically heated aroma dispensers
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7377493 |
Fragrancing system and method |
May. 27, 2008 |
| 7372516 |
Liquid crystal display with a perfume dispenser |
May. 13, 2008 |
| 7344123 |
Dispersing fragrances |
Mar. 18, 2008 |
| 7320459 |
Apparatus for dispensing a vapour into an air flow |
Jan. 22, 2008 |
| 7309387 |
Methods and apparatus for a low-profile air purifier |
Dec. 18, 2007 |
| 7097161 |
Electrical air freshener device |
Aug. 29, 2006 |
| 7083162 |
Intermediary device |
Aug. 1, 2006 |
| 6854717 |
Evaporator device for active substances |
Feb. 15, 2005 |
| 6834847 |
Dispensing device for dispensing scents |
Dec. 28, 2004 |
| 6783117 |
Scent delivery system |
Aug. 31, 2004 |
| 6581915 |
Dispensing device for dispensing scents |
Jun. 24, 2003 |
| 6551560 |
Two-stage dispensing mat |
Apr. 22, 2003 |
| 6511531 |
Room air filtering and freshening device |
Jan. 28, 2003 |
| 6443434 |
Forced-air scent dispenser |
Sep. 3, 2002 |
| 6406004 |
Method for imparting a certain odor impression to a person and apparatus for performing the method |
Jun. 18, 2002 |
| 6371453 |
Diffuser for mounting a volatilizable substance above a container of heated liquid |
Apr. 16, 2002 |
| 6371451 |
Scent diffusion apparatus and method |
Apr. 16, 2002 |
| 6283461 |
Automatic cyclic fluid delivery device and associated process |
Sep. 4, 2001 |
| 6196527 |
Humidifier capable of sending forth fragrance |
Mar. 6, 2001 |
| 5567361 |
Fragrance enhancer apparatus |
Oct. 22, 1996 |
| 5489086 |
Cylindrical elastic mount containing highly viscous fluid and having fluid injecting inlet |
Feb. 6, 1996 |
| 5439100 |
Packaging system for dispensing cartridge for volatiles |
Aug. 8, 1995 |
| 5432882 |
Automatic electrically heated cigarette lighter socket inserted motor vehicle deodorizer device |
Jul. 11, 1995 |
| 5424049 |
Device for reducing odors in the interior of a motor vehicle |
Jun. 13, 1995 |
| 5402517 |
Apparatus for emitting a volatile chemical agent by heating and means for adjusting a spacing between a heater and the chemical agent to regulate the rate of vaporization |
Mar. 28, 1995 |
| 5394506 |
Fragrance dispenser for an automobile |
Feb. 28, 1995 |
| 5392379 |
Electrically activated aromatic ornament |
Feb. 21, 1995 |
| 5373581 |
Automobile plug-in air freshener with rotatable switch and vaporizer |
Dec. 13, 1994 |
| 5282334 |
Insect exterminator |
Feb. 1, 1994 |
| 5259062 |
Air treatment apparatus utilizing interchangeable cartridges |
Nov. 2, 1993 |
| 5233680 |
Wreath-shaped electrically activated aromatic ornament |
Aug. 3, 1993 |
| 5230867 |
Extended release fragrance dispensing cartridge |
Jul. 27, 1993 |
| 5201025 |
Dual purpose electric vaporizer for tablets |
Apr. 6, 1993 |
| 5175791 |
Fragrance diffuser having stepped power levels |
Dec. 29, 1992 |
| 5136684 |
Heating device for volatilization of fragrant gel |
Aug. 4, 1992 |
| 5115975 |
Dispenser device and cartridge for volatile substance with rate control for volatilization thereof |
May. 26, 1992 |
| 5011632 |
Ultrasonic fragrance generation apparatus |
Apr. 30, 1991 |
| 4951854 |
Backup-proof fluid distribution apparatus |
Aug. 28, 1990 |
| 4944898 |
Ceiling fan blade mounted air freshner dispensing device |
Jul. 31, 1990 |
| 4853517 |
Vaporizing unit |
Aug. 1, 1989 |
| 4837421 |
Fragrance dispensing apparatus |
Jun. 6, 1989 |
| 4813344 |
Deodorizer container |
Mar. 21, 1989 |
| 4804821 |
Aroma diffuser assembly |
Feb. 14, 1989 |
| 4795883 |
Aroma generating apparatus and driver circuit |
Jan. 3, 1989 |
| 4770679 |
Dust filter for toilet tissue |
Sep. 13, 1988 |
| 4734560 |
Vaporizing unit |
Mar. 29, 1988 |
| 4731521 |
Electric cigar lighter having aromatic emitting means |
Mar. 15, 1988 |
| 4731520 |
Aroma diffuser apparatus |
Mar. 15, 1988 |
| 4725712 |
Electrical device for vaporizing volatiles |
Feb. 16, 1988 |
| 4695434 |
Aroma-generating unit |
Sep. 22, 1987 |
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