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...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.

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Class 131/226 - Bowls


Subclass of Class 131 - Tobacco
Definition: Smoking devices claiming the bowl structure.
No. of patents: 34
Last issue date: 04/01/2008


NumberTitleIssue Date
7350523Tobacco smoking pipe
A cigar shaped tobacco smoking pipe having a draw piece (14) with a band (12) adapted by proper sizing or screw thread to receive either end of a bowl piece (16). A bore (18) communicates with a smoking cavity (20), a chamber (1...
04/01/2008
6745777Tobacco 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
6715494Two-piece smoking pipe vaporization chamber with directed heat intake
A method of using a two-piece smoking pipe vaporization chamber with directed heat intake is disclosed comprising applying a material from which vapor is to be extracted over the surface of a lower screen member. The method further comprises forming a vaporization c...
04/06/2004
6601586Pipe with improved cutting edge
A smoker's pipe comprises a tubular member having a tobacco-retaining concavity at the front end. A plurality of evenly spaced cutting teeth form the edge of the concavity, such that a supply of tobacco can be cut for retention in the concavity. An openin...
08/05/2003
6418936Tobacco 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
6354301Two-piece smoking pipe vaporization chamber with directed heat intake
A two-piece smoking pipe vaporization chamber with directed heat intake is disclosed. The two-piece smoking pipe vaporization chamber with directed heat intake comprises a lower chamber member having a bowl portion formed therein to hold materials from wh...
03/12/2002
6073632Compact 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
5832935Tobacco storage and smoking apparatus
A tobacco storage and smoking apparatus includes a housing having a first chamber which receives smoking materials such as tobacco and is covered by a cover including a bowl recess with a side passageway extending from the bowl recess to one end of the co...
11/10/1998
5778896Smoking pipe and fastener manipulating tool
A pipe for use in smoking tobacco including a hollow stem having a mouth end structured as a small tool socket for grasping nuts and bolt heads, and for holding a removable screw driver rod. A tobacco bowl at the opposite end of the stem includes a sidewa...
07/14/1998
5746226Grooved smoking pipes and method of filling
Grooved pipes incorporating a bowl tobacco bore communicating with a groove, the groove communicating with a bowl smoke bore through a bowl smoke bore mouth, and a method of filling a pipe with tobacco. Groove configurations may include a V-groove or an a...
05/05/1998
5678573Smoking pipe
An improved smoking pipe comprising a bowl having a central generally cylindrical bore open at both ends of said bowl with a closable lid mounted on the top of said bowl and a stem projecting from the wall of said bowl and communicating with said central ...
10/21/1997
5417227Smoker's pipe
A smoker's pipe (10) has a section (22) which is rotatable relative to a section (66). A combustion chamber is formed by and between the two sections (22, 66). A tobacco holder (36) or a cigarette (C) is located within the pipe(10). A movable portion of a...
05/23/1995
4870979Smoker's pipe
A smoker's pipe has a plastics bowl (17) and stem (16) and, within the bowl, a ceramic liner (18) having a flange (19) which overlies the rim of the bowl, and is secured thereto by a resilient ring (29) of adhesive....
10/03/1989
4788988Smoking 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
4776321Hair roller heating device
A portable hair roller heating device for heating flexible hair rollers, includes an enclosed heating chamber defined by a top wall, side wall and bottom wall, the top wall having a plurality of apertures through which the hair rollers to be heated can be...
10/11/1988
4730626Dry bowl smoker's pipe
A smoker's pipe that includes a hollow shank, a bowl assembly mounted at one end of the shank and a bit connected to the other end of the shank. The pipe also comprises in one embodiment a flow separator which respectively directs the smoke and liquid com...
03/15/1988
4708151Pipe with replaceable cartridge
The present invention relates to a smoking article which has the appearance of a conventional pipe. The pipe of the present invention is capable of producing substantial quantities of aerosol, preferably without significant thermal degradation of the aero...
11/24/1987
4648411Tobacco pipe bowl with associated honing tool
A tobacco pipe bowl wherein the interior burning chamber is larger at its bottom base than at its top where the bowl opening is located. Furthermore, associated with the tobacco pipe bowl there is associated a honing tool to clean the tobacco pipe bowl....
03/10/1987
4577645Reduced moisture smoker's pipe
An improved smoker's pipe of the dry bowl type. The pipe is comprised of a hollow stem having a mouthpiece mounted at one end and a bowl assembly mounted at the other end. In one embodiment of the pipe the bowl assembly includes an outer bowl removably mo...
03/25/1986
4527571Smoking pipe assembly
A key chain pipe assembly having a bowl, stem, and storage container which forms a cylinder when assembled in one mode for attaching to a key chain or the like and the parts can be disassembled and reassembled in another mode to form a pipe for smoking....
07/09/1985
4452258Container for pipes
A pipe smoker's container or case comprises a container having secured therein holding means for securing detachable pipe bowls from detachable smoker's pipes of the type having a pipe stem detachable from or adapted to be attached to the pipe bowl. The p...
06/05/1984
4411095Bubble pipe
A pipe shaped device is provided including a bowl and an elongated hollow pipe stem having a mouth insertable portion at one end, a passage extending longitudinally thereof and with the other stem end formed integrally with and opening into a lower portio...
10/25/1983
4362169Air flow dry bowl pipe
A smoker's pipe of the dry bowl type is disclosed which has a ceramic inner bowl secured at its lower end to the lower end of an outer plastic bowl in a manner to space the bowls radially apart for the establishment of a cooling air space between the bowl...
12/07/1982
4300578Jewelry smoking device
Jewelry smoking devices are described which are in the form of ornamental pipe members suitable for being worn as items of jewelry. Each smoking device has a tobacco receiving portion for receiving smoking tobacco for the purpose of burning the same, and ...
11/17/1981
4294267Pocket pipe
An integral smoking pipe is provided. The pipe includes a burning chamber or bowl, a tobacco storage chamber and a resin collecting chamber or clean-out area. The resin collecting chamber and the burning chamber communicate through one or more common aper...
10/13/1981
4257432Metering device for flaked and granular solids
A metering device for granular and flaky materials is provided, comprising a bowl cavity member defining an upwardly facing metering cavity with an upper rim, an outlet passage extending from the metering cavity, and a hopper member movably mounted on the...
03/24/1981
4244383Smoking device
A smoking device comprising a reversible smoking bowl in combination with a stem of said smoking device. The reversible bowl comprises two smoking compartments in coaxial alignment with each other and with the stem. Both compartments are of the same diame...
01/13/1981
4243058Jewelry smoking device
Jewelry smoking devices are described which are in the form of ornamental pipe members suitable for being worn as items of jewelry. Each smoking device has a tobacco receiving portion for receiving smoking tobacco for the purpose of burning the same, and ...
01/06/1981
4213469Smoker's pipe having a hollow pipe body formed from metallic half sections
A smoker's pipe includes a hollow pipe body configured to define a hollow bowl seat portin and a hollow stem portion, a thin metal support bowl positioned within the hollow bowl seat portion, a clay tobacco-burning bowl positioned within the thin metal su...
07/22/1980
4210160Anti-pollution combustion device
An anti-pollution combustion device has a bowl in the interior of which is located, above the connection between the bowl and stem, a perforated metal disc so that the tobacco rests on the same. The outside of the bowl is formed with circumferentially ext...
07/01/1980
4171704Flying pipe
A flying pipe comprising a disc of the type adapted for manual toss and glide; a housing defining a chamber for receiving a smokeable substance; means for securing the housing to the disc; access means to the chamber for accommodating placement of the smo...
10/23/1979
4171703Multiple bowl arrangement for water pipe or bong
A multiple bowl arrangement for a water pipe, bong or other smoking device in the form of a mounting base in place of the conventional bowl and a turret or magazine with multiple bowls rotatably mounted on the base so that each bowl is brought into succes...
10/23/1979
4146042Smoking pipe and lighter system
A uniquely designed smoking pipe having a removable lighter mounted within the body of the pipe itself. The pipe components and design provide cleaning features, a variable volume tobacco bowl, and compatible use of the pipe with the lighter unit....
03/27/1979
4074723Pipe
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
 
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