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Class Information
Number: 239/58
Name: Fluid sprinkling, spraying, and diffusing > Slow diffusers > With means to adjust casing porosity or openings
Description: Apparatus in which the member surrounding the material retaining element is foraminous or apertured and there is provided additional means whereby the apertures or foraminae are varied in size and/or number.










Sub-classes under this class:

Class Number Class Name Patents
239/59 By alignment of apertured members 87


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8671472 Air control and aromatherapy module Mar. 18, 2014
8567693 Dispenser for the controlled release of volatile substances Oct. 29, 2013
8524158 Wearable chemical dispenser with useful life indicator Sep. 3, 2013
8485454 Rotatable and adjustable air freshener Jul. 16, 2013
8435631 Microporous material May. 7, 2013
8251299 Screw top air freshener Aug. 28, 2012
8096486 Air freshener Jan. 17, 2012
8062598 Volatile substances diffuser Nov. 22, 2011
8048379 Multi cartridge air freshener Nov. 1, 2011
8020785 Aromatic deodorant Sep. 20, 2011
7938338 Air freshener apparatus May. 10, 2011
7931213 Portable scent disperser Apr. 26, 2011
7909264 Discharge device and method for evaporating a liquid and evaporator Mar. 22, 2011
7845581 Air freshener Dec. 7, 2010
7780094 Vehicle air freshener diffuser Aug. 24, 2010
7770817 Air freshener with scent(s) of a new car Aug. 10, 2010
7631814 Portable sports equipment scent dispersion apparatus Dec. 15, 2009
7484716 Scent delivery device and method of simulating scent in a virtual environment Feb. 3, 2009
7380370 Repelling rodents Jun. 3, 2008
7284711 Container air freshener unit Oct. 23, 2007
7273184 Disposable air treatment device Sep. 25, 2007
7204870 Diffuser device for volatile substances Apr. 17, 2007
7140553 Device for diffusing volatile substances, in particular deodorants for vehicle interiors Nov. 28, 2006
7093773 Fragrance dispenser, domestic appliance including such a fragrance dispenser, and cartridge for such a fragrance dispenser Aug. 22, 2006
6994270 Semi-enclosed gel delivery device Feb. 7, 2006
6966500 Remote controlled scent dispensing device Nov. 22, 2005
6899280 Wick-based delivery system with wick having sections of varying porosities May. 31, 2005
6877674 Perfume diffuser Apr. 12, 2005
6852278 Apparatus and method for the controlled release of volatile materials Feb. 8, 2005
6502762 Programmable scent emitter Jan. 7, 2003
6481639 Volatile substance diffuser without persistence Nov. 19, 2002
6419163 Controlled release of substances Jul. 16, 2002
6244518 Snake repellent system Jun. 12, 2001
6241161 Hunting scent container Jun. 5, 2001
6132841 Wiping device Oct. 17, 2000
6109537 Release rate modulator and method for producing and using same Aug. 29, 2000
6050551 Portable apparatus for distributing and selectively sealing a vaporized or small particle substance Apr. 18, 2000
6029900 Air freshener device Feb. 29, 2000
6027187 Humidifier for use in humidors Feb. 22, 2000
6012643 Dispensing device Jan. 11, 2000
5845847 Air freshener dispenser device Dec. 8, 1998
5810253 Device for the controlled dispensation and evaporation of volatile liquids Sep. 22, 1998
5782409 Air freshening and deodorizing system Jul. 21, 1998
5611165 Hunting scent holder Mar. 18, 1997
5611486 Air freshening and/or deodorizing system Mar. 18, 1997
5556030 Air freshener and/or deodorizer dispensing system Sep. 17, 1996
5549247 Scented liquid nebulizer Aug. 27, 1996
5544812 Table-top air freshener Aug. 13, 1996
5477640 Fragrance emitting plant watering system Dec. 26, 1995
5437410 Passive fragrance dispenser Aug. 1, 1995

1 2










 
 
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