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| Number | Title | Issue Date |
| 6216705 | Smoking article not having a solid substance A smoking vessel (10) constructed as a tube (11) and a mouthpiece (12) mounted at its one end, a pervious or permeable member (26) therewithin, and a valve-mechanism or assembly (15) at its other end (14) for introduction of a quantity of smoke to be disp... | 04/17/2001 |
| 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 |
| 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 |
| 5540241 | Cigarette holder with filter A cigarette holder having a cigarette receiving member; a connecting member, which is connected to the receiving member, having a hygroscopic filter which may be a carbon bar with water; a mouthpiece member connected to the connecting member; a first valv... | 07/30/1996 |
| 5529078 | Smoker's box A smoker's box for reducing pollution caused by smoking a cigarette. A housing has a first and second portion, the first portion defining a cavity, and the second portion defining a fan chamber. A venting channel allows gases to pass between the first and... | 06/25/1996 |
| 5458106 | Cigarette holder with filtering reservoir A cigarette holder having a reservoir containing a liquid filtering agent, easy to carry and to use, and preventing leakage of the filtering agent. The cigarette holder includes a cigarette receiver; a reservoir containing a liquid filtering agent; a smok... | 10/17/1995 |
| 5388595 | Second-hand smoke filtering device A second-hand smoke filtering device having a hollow body; a cigarette holder disposed within the body and further having a holding chamber for the dual purpose of accepting a cigarette therein and for holding second-hand smoke; an igniter mechanism dispo... | 02/14/1995 |
| 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 |
| 4993435 | Smoking accessory A smoking accessory includes a case that can completely contain a lighted cigarette. The cigarette foot end extends out of the case, and the smoker exhales smoke into a mouthpiece on the case that conducts the exhaled smoke into a filter chamber to be fil... | 02/19/1991 |
| 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 |
| 4899766 | Secondary smoke catcher A smoke catcher device which catches essentially 100% of secondary smoke products such as cigarettes, cigars and pipes. The device comprises a housing having an interior space. The smoke product is installed in the housing such that the burning end of the... | 02/13/1990 |
| 4867182 | Temperature/humidity controlled valve for a smoking article A smoking article having a valve system for closing off the flow of smoke to the user in response to an increase in temperature or humidity. The valve system includes a plastic body with a hollow valve chamber communicating with a smoke passage. A valve e... | 09/19/1989 |
| 4790332 | Smoke eliminator for cigarette smokers A hand-held device eliminates smoke generated from cigarette smoking. This cigarette package-sized device completely encloses a cigarette while it is being smoked and provides two mouthpieces, one for inhaling and the other for exhaling smoke into the dev... | 12/13/1988 |
| 4788988 | Smoking device A smoking device is disclosed whereby smoke and other gases of combustion can be diluted with air to a pre-selected mixture before being inhaled by a smoker. This is achieved by the use of a carbureting tube which can introduce a metered amount of air int... | 12/06/1988 |
| 4638815 | Water pipe An improved water pipe for a cigarette is proposed which has a bowl, a stem and a smoke tube extending through the bowl so as to reach into water contained in the bottom of the bowl. A ball retained at bottom of the smoke tube prevents water from entering... | 01/27/1987 |
| 4620553 | Tobacco smoke filters A filter for a smoking article employing a resilient valve assembly in the path of the smoke. The valve assembly being movable in a first position in which the flow ventilating air is permitted and a second position in which the flow of air is prevented. ... | 11/04/1986 |
| 4615344 | Cigarette with automatic ventilation valve A cigarette is provided with an automatic valve responsive to the moisture content of the smoke for controlling induction of air into the smoke thereby compensating for the increase of nicotine concentration as the cigarette smokes down. The valve utilize... | 10/07/1986 |
| 4582073 | Check valve type cigarette mouthpiece A check valve type cigarette mouthpiece, which can be used with a non-filter cigarette or be incorporated into the filter tip portion of a filter cigarette, incorporates a valving structure which opens automatically under a slight pressure differential cr... | 04/15/1986 |
| 4480645 | Smoking device A smoking device composed of a tubular body having a one-way valve between an inlet and an outlet which is adapted to permit smoke to flow from the inlet to the outlet and wherein ports are provided between the one-way valve and the outlet so that when sm... | 11/06/1984 |
| 4083374 | Smoking device An improved smoking device enabling the smoker to fill a bag with smoke at one end of the smoking device. The smoke is obtained from smoking materials, such as tobacco. The tobacco is loaded into the pipe and lit, when a valve in the smoking device is tur... | 04/11/1978 |
