Class 131/216 - Special smoke passages

Subclass of Class 131 - Tobacco
Definition: Smoking devices claiming the construction of the smoke passage.
No. of patents: 25
Last issue date: 10/03/2006

Number	Title	Issue Date
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
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
6626182	Cigarette holder A cigarette holder for extracting tar has first tar extractor with a stick and a first disc with apertures. A second tar extractor has a cylinder fitted to the stick and a second disc provided on one end of the cylinder and fitted in a flue of transparent...	09/30/2003
6418937	Tobacco pipe assembly with filter adapter A pipe assembly is provided to accommodate the specific filter preferences of the pipe smoker. The pipe assembly includes a bowl, a stem and a mouthpiece. A cylindrical mounting aperture extends into the end of the stem remote from the bowl, and a connect...	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
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
5464026	Device for smoking tobacco and the like A device for smoking tobacco and the like has a housing having an upper wall and a lower wall, the upper wall mounting an air-permeable membrane communicating with a channel formed between the walls, and the channel being open at an end to the atmosphere....	11/07/1995
5048545	Smoking device According to a smoking device of the present invention, major and a minor smoke streams given out during smoking are temporarily stored in a storage section by means of a forcible sucking device. The storage section is taken out to the outdoors later, and...	09/17/1991
4922931	Portable smoke retention device A smoke retention device having a collapsible chamber and an insert threadable into said collapsible chamber for holding a combustible material. A bag is secured over one end of the chamber and held in place by an elastic band. Valve mechanisms allow the ...	05/08/1990
4852590	Insertable cigarette smoke baffle for holders A baffle for filtering cigarette smoke is described. The baffle is inserted into commonly available cigarette holders. The cleansing and filtering action of the baffle system is augmented by the throttling of the smoke in successive chambers which were cr...	08/01/1989
4841994	Mouth-piece for filtering the smoke of cigarettes and the like The mouth-piece comprises a tubular body which accommodates a filter element which defines, with the inner walls of the tubular body, a first collection chamber for the combustion products, while a second collection chamber for the condensation products i...	06/27/1989
4841995	Tar removing cigarette holder A tar removing cigarette holder assembled of a body having a cylindrical bore and a cup portion formed integrally therewith and located in the bore, the cup portion being open toward one end of the bore and defining a first annular space with the bore wal...	06/27/1989
4757828	Cigarette holder and filter insert therefor A cigarette holder and an insert for a conventional cigarette holder, including a first chamber for receiving the butt end of the cigarette and a second chamber for condensing the noxious elements of tobacco smoke. The two chambers are connected by an ope...	07/19/1988
4517989	Cigarette holder and filter cartridge An improved construction for a cigarette holder and filter cartridge is described wherein the holder has a unique arrangement of cavities for axially receiving a filter cartridge and the end of a cigarette. The filter cartridge is formed with a unique arr...	05/21/1985
4503869	Cigarette mouthpiece A cigarette mouthpiece of substantially cylindrical configuration assembled of two identical semi-cylindrical sections disposed in mutual concavely facing relationship with each longitudinal edge of one section in abuttment with a different one of the lon...	03/12/1985
4481955	Cigarette holder with tar collecting means A cigarette holder substantially made of an integrally formed body member which includes an outer hollow cylindrical portion with both of its ends open, the inner space within which is divided into a radially larger bore and a radially smaller bore by a t...	11/13/1984
4466448	Tobacco smoke filter Conventional porous labyrinth type filtering is combined with ambient air and conduction of smoke past the filter element in a cigarette holder wherein a selected portion of the tar and nicotine products are to be removed from the cigarette smoke. In its ...	08/21/1984
4398547	Torus smoking pipe A smoking pipe in the form of a round or oval torus is provided having a bowl for the reception of a substance to be smoked at one end and a mouth hole at the opposite end with smoke passages leading from said bowl to said mouth hole on both sides of the ...	08/16/1983
4393885	Cigarette filter A filter for a cigarette has a porous filter rod with a channel extending longitudinally through the filter rod. The end of the channel at the tobacco column of the cigarette is closed by a smoke impervious wall having an orifice therein of a smaller cros...	07/19/1983
4370988	Cigarette holder smoke filtering cartridge with two stage smoke purification action The outer shell of a removable smoke filtering cartridge for fitting inside a cigarette holder is formed from two coaxially abutting tubes separated by a wall with a hole. A tubular inner lip around the hole extends into the space within the first tube, a...	02/01/1983
4202358	Filter for cigarettes with two chambers The invention is directed to a filter for removing cigarette smoke particles. The filter is comprised of a housing having an inlet and an outlet. A first diaphragm is positioned adjacent the housing inlet and a second diaphragm is positioned midway along ...	05/13/1980
4148328	Safety smoker A base member has a recess in its top surface, and the bottom wall of the recess has a vertical socket arranged to hold a cigarette upright. A flexible tube is connected into the base member for communication with the socket and has a smoking tip whereby ...	04/10/1979
4142536	Water pipe A water pipe has a base, a top circular aperture into which projects an upright support tube secured to said base. An open-ended assembly sleeve is snugly projected for a part of its length down into said support tube with a portion of the sleeve extendin...	03/06/1979
4074723	Pipe A smoking pipe consisting of a bowl providing a tobacco chamber and stem having a stem opening connected to the bottom of the tobacco chamber. The wall forming the tobacco chamber has air passages formed in the wall which connect from the upper end of the...	02/21/1978
3958579	Cigarette filter A filtered cigarette including a forward portion, a strainer and a filter, in which the filter is of molded plastic, having one or a plurality of surfaces provided with interconnected channels which provide long and tortuous paths through which the air-sm...	05/25/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 131/216 - Special smoke passages