Class 131/200 - Smoke treating

Subclass of Class 131 - Tobacco
Definition: Smoking devices provided with means for treating the smoke.
No. of patents: 34
Last issue date: 12/20/2011

Number	Title	Issue Date
8079371	Tobacco containing smoking article A smoking article may include a cigarette incorporated within an electrically powered aerosol generating device that acts as a holder for that cigarette. The smoking article possesses at least one form of tobacco. The smoking article also possesses a mouth-end piece...	12/20/2011
7726320	Tobacco-containing smoking article A smoking article may include a cigarette incorporated within an electrically powered aerosol generating device that acts as a holder for that cigarette. The smoking article possesses at least one form of tobacco. The smoking article also possesses a mouth-end piece...	06/01/2010
7114503	Process for producing an open celled foam The invention relates to a foam for purifying and filtrating air, particularly filtrating toxic compounds, such as for instance tar and polycyclic aromatic hydrocarbons (PAHs) from tobacco smoke, and to a method to prepare this foam. The foam according to the invent...	10/03/2006
7104265	Filter containing a metal phthalocyanine and a polycationic polymer A tobacco smoke filter comprising one or more than one metal phthalocyanine, such as a copper phthalocyanine or an iron phthalocyanine, and further comprising one or more than one polycationic polymer. ...	09/12/2006
7080649	Cigarette holder A cigarett holder has a mouthpiece, a cotton filter, a main pipe, and a filter column. The mouthpiece has a distal periphery flange, a head portion, an inner tube having a through hole, and an enlarged hole communicating with the through hole. The main pipe has a fi...	07/25/2006
6907885	High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials This invention is a highly efficient filter containing fibers that contain small particle size adsorbents/absorbents such as carbon and/or silica to selectively reduce targeted components in mainstream cigarette smoke. The invention relates to a novel class of highl...	06/21/2005
6866045	Filtration method and filter consisting of nitrogen-containing cycles or heterocycles such as DNA or RNA The methods concerns a method for general use and more particularly used for tobacco products. The method uses in particular nitrogen-containing heterocycles such as DNA and RNA bases and complementarily polymer fibers. Said molecules and said fibers can partly halo...	03/15/2005
6772768	Cigarette filters of shaped micro cavity fibers impregnated with flavorant materials Tobacco flavorants loaded into semi-open micro cavities of shaped fibers add flavor to tobacco smoke during the smoking process. The shaped fibers are end-capped shaped multi-lobals that form semi-open cavities between the lobals to effectively entrain solid and liq...	08/10/2004
6745777	Tobacco filter means superimposedly rechargeably filled with disposable filter units A tobacco filter device includes a plurality of filter units superimposedly rechargeably filled in a sleeve member, having a bowl member connected to an outer end (smoking end) of the sleeve member and a mouthpiece connected to an inner end (mouth end) of the sleeve...	06/08/2004
6718987	Smokers′ article The present invention pertains to the tobacco industry and may be used in the production of smokers' articles that include a mouthpiece and consist of a new product that conjugates the functional properties and qualities of cigarettes with a cardboard mouthpiece and...	04/13/2004
6694985	Process for lowering nicotine contents in tobacco A process for lowering toxic substance including nicotine in tobacco is disclosed. The process of the present invention comprises treating tobacco leaves with water, alcoholic drink, or a mixture thereof. It is also possible to lower the nicotine contents...	02/24/2004
6502580	Hypobaric cigarette filter device The invention is a tar retention device for insertion in the smoke path of a cigarette between the point of combustion and the smoker. The device is comprised of a chamber with an inlet duct formed on the side of the point of combustion and outlet side fa...	01/07/2003
6453908	Water pipe The water pipe has a water chamber as for example a small open mouth bottle into which a stopper may be inserted or attached. The stopper has two ducts therein which are approximately 90 degree ducts. A smoke inlet tube is inserted into an exterior inlet ...	09/24/2002
6431176	Tobacco smoke containment apparatus and method therefor A tobacco smoke containment apparatus and method therefor having the characteristics of limiting the exhaust of harmful smoke particles as well as reducing the overall risk of accidental fire by containing a smoking tobacco product inside a closed recepta...	08/13/2002
6418936	Tobacco pipe A tobacco pipe (10) having a hollow stem (12) threaded to a manifold (20) on top of which a turret (30) is rotatably mounted. Turret (30) is of greater weight than that of manifold (20), so that any one of a plurality of turret magazines (33) remains stat...	07/16/2002
6345625	Filter for secondary smoke and smoking articles incorporating the same Secondary smoke is harmful to passive smokers. A filter sleeve (1) comprises a sleeve (10) with a downstream portion (11) adapted for receiving inhale smoke into an inhalation flow path (13), an upstream portion (12) adapted for inhalation of said inhale ...	02/12/2002
6334448	Poison-reduced cigarette A poison-reduced cigarette includes adding hydrate of double salt of ferroso-ferric chloride into tobacco and cigarette filter to react with nicotine to form salt which will not be absorbed by the mucous membranes in the smoker's respiratory system for mi...	01/01/2002
6318376	Filter tip structure for cigarette A cigarette filter tip structure includes a cigarette holder, and a filter base mounted on the bottom of the cigarette holder. The cigarette holder includes a compartment defined therein and having a bottom formed with a shoulder, the compartment having a...	11/20/2001
6302114	Tobacco smoke filter The present invention provides a tobacco smoke filter or filter element having a longitudinally extending core (2) and a wrapper (4) engaged around the core (2), the wrapper (4) having particulate additive (6) adhered to one or more portion(s) of the radi...	10/16/2001
6119699	Method and apparatus for the selective removal of specific components from smoke condensates A smoking article capable of delivering a regulated smoke composition to a smoker, includes: a) a combustible filler wrapped in a combustible sheath; and b) at least one affinity chromatographic filter unit designed to preferentially remove specific targe...	09/19/2000
6073632	Compact spherical portable water pipe for use with a standard beverage bottle A smoking pipe formed of a spherical body having a top cavity for receiving combustibles, a shank tube receiving cavity, and a mouthpiece tube receiving cavity. An air passage connects the shank tube receiving cavity and the top cavity, and an air passage...	06/13/2000
6067993	Filter adapter for use with smoking apparatus A filter adapter for use with a waterpipe comprises a closure cap with a cutout; a spigot tap with a cylindrical sleeve, an integral port, a cylindrical base with male threads, the port providing communication between the sleeve and the base; and a ventil...	05/30/2000
6012459	On-board lighter system for smoker's accessory A hand-held cigarette smoking device for capturing sidestream smoke with an on-board cigarette lighter. The device has a cigarette combustion chamber, a sidestream smoke filtration chamber, a plenum for conducting sidestream smoke from a lit cigarette in ...	01/11/2000
6006757	Cigarette holder A cigarette holder completely encloses the lit end of a cigarette providing purification for both sidestream smoke and mainstream smoke. It has two concentric tubes with the lit cigarette placed in the inner tube and purifying agent placed in the volume b...	12/28/1999
5752527	Smoker's accessory A smoker's accessory for filtering cigarette smoke includes an exhaust fan, a smoke filter cartridge having a cigarette tube with an open end through which the burning end of the cigarette is placed, a porous tubular filter element at an end of the cigare...	05/19/1998
5501234	Apparatus for filtering and purifying side-stream and second-hand tobacco smoke The present invention relates to a multi-stage tobacco smoke filtering apparatus which filters both second-hand smoke exhaled by a smoker, and side-stream smoke which is evolved from the burning tip of a cigar or cigarette. The apparatus includes an enclo...	03/26/1996
5402803	Smoking device for heat-decomposing cigarette smoke A smoking device for smoking of a cigarette having a tip end portion and a burning end portion has a housing assembly defining a heating chamber and having an exhaust port, an air port and an opening which all communicate with the heating chamber, a mouth...	04/04/1995
5160518	Second chance secondary smoke trap An air tight cylindrical U shaped or angled tube that can be assembled and disassembled. The U tube is constructed of polystyrene or another non flammable material. A fan unit (12) pushes fresh air into one end of the combustion chamber tube (300). A ciga...	11/03/1992
4646761	Cigarette filter holder A disposable cigarette holder-filter includes a cigarette receiving socket end and a mouthpiece end. The interior of the holder includes a fibrous filtering material impregnated with water. The mouthpiece end of the holder is formed with an integrally for...	03/03/1987
4596258	Smoking devices A smoking device is disclosed which allows the user to regulate the air he inhales to consist of pure tobacco smoke, pure air, pure air carrying volatile substances, or a mixture of tobacco smoke and air carrying volatile substances. This is accomplished ...	06/24/1986
4215708	Cigarettepipe with purifier Pipe for cigarettes, cigars and other tobacco articles, provided with a holder with a receiving hollow at one end for the cigarette, that is connected through a smoke channel with a mouthpiece at the other end of the holder, an apparatus being fixed in th...	08/05/1980
4148327	Water pipe A water pipe for smoking has two superposed water chambers with a tobacco chamber leading to the lower of said water chambers, a goose neck tubular element communicating with both water chambers, a carb hole between said water chambers and an outlet above...	04/10/1979
4071035	Pyramid pipe An apparatus for the double filtering of tobacco smoke by water or other suitable liquid. The apparatus is provided with two vertically arranged chambers, the lower chamber, for carrying the filtering liquid, being in communication with the upper chamber ...	01/31/1978
3936424	Flavoring and perfuming ingredients Various compounds are disclosed to be useful in the flavoring of foodstuffs, animal feeds, beverages, pharmaceutical preparations and tobacco products. These compounds are equally useful perfuming ingredients....	02/03/1976

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Class 131/200 - Smoke treating