US20140230832A1 - Inline hookah filter - Google Patents
Inline hookah filter Download PDFInfo
- Publication number
- US20140230832A1 US20140230832A1 US13/773,568 US201313773568A US2014230832A1 US 20140230832 A1 US20140230832 A1 US 20140230832A1 US 201313773568 A US201313773568 A US 201313773568A US 2014230832 A1 US2014230832 A1 US 2014230832A1
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- Prior art keywords
- hookah
- filter
- inline
- hose
- cap
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F1/00—Tobacco pipes
- A24F1/30—Hookahs
Definitions
- FIG. 6 is a top view of the inline hookah filter 200 looking into the filter cap 204 and the female tapered seal 208 .
- This aspect clearly shows the concentric relationship between the female tapered seal 208 and the internal screen 220 .
- the decreasing dimensions of ridges 216 A-E of the interior diameter of female tapered seal 208 are apparent.
- the rubber of the ridges 216 of female tapered seal 208 stretches slightly, and as the rubber of the ridges 216 contracts, the ridges 216 form an airtight seal around the male hose fitting 110 .
- Filter cap 204 is further formed with internal ridges 224 , running along the longitudinal axis of the interior filter cap 204 , as shown in FIG. 8 .
- Corresponding external ridges 226 are formed onto the exterior of female tapered seal 208 , orthogonal to ridges 216 on the interior or female tapered seal 208 .
- internal ridges 224 of filter cap 204 receive external ridges 226 on female tapered seal 208 , maintaining the position of female tapered seal 208 within filter cap 204 .
- the exterior diameter of female tapered seal 208 is sized in order to maintain an airtight seal with the interior surface of filter cap 204 .
Abstract
An inline hookah filter constructed to fit between the hookah outlet and hookah hose, and to filter undesired impurities, such as water, soot, ash, tar, and some toxic chemicals out of the smoke in a standard hookah, or other water pipe. The inline hookah filter is a cylindrical shape, formed with tapered tip and female tapered seal on opposing ends, constructed to accommodate all standard hookah fittings and create airtight seals between the hookah and the inline fitter and between the inline filter and hose with the use specially designed seals and coatings.
Description
- This application claims the benefit of the filing date of provisional application No. 61/603,357, filed on Feb. 26, 2012
- The present invention relates generally to water pipe smoking systems and accessories. The present invention is more particularly, though not exclusively, to an inline filtration system for a water pipe designed to cool the smoke and filter impurities prior to inhalation by the user.
- Smoking tobacco dates back thousands of years. From the ancient Mayans to the Middle East to Native Americans, there have been pipes, rolled tobacco “cigarettes.” and countless implements fashioned to inhale the smoke from burning tobacco leaves. The hookah, first emerged in India and Pakistan a thousand years ago and has been reinvented many times through its history. A hookah is a water pipe that was originally adapted to smoke opium and hashish, but has undergone several transformations and most commonly used to smoke many kinds of tobacco today. Smoking hookah has gained popularity, spreading from its native region in India and the Middle East throughout the rest of the world in Europe, and North and South America.
- A hookah, also known as a water pipe, narghile, or shisha, is a single or multi-stemmed instrument for smoking flavored tobacco in which the smoke is passed through a water basin (often a glass “base”) before inhalation. The user holds a hose with a mouthpiece that constitutes the end of the system. The user places the mouthpiece to his or her mouth and draws on the mouthpiece creating a pressure differential that pulls smoke through the entire system. The tobacco is packed into a bowl at the top of the system and topped with a screen and hot coals that heat and burn the tobacco. The bowl is formed with holes in the bottom, through which smoke from the burning tobacco flows. The smoke passes through the hookah's stem, into the base, and bubbles through the water in the bottom of the base, out a port in the base, through a hose and ultimately into the smoker's mouth and lungs.
- As with any burning tobacco or other such smoking paraphernalia, the smoke emerges from the flames or smoldering tobaccos at high temperatures. Many smoking implements such as cigars, cigarillos, and some cigarettes are dried, rolled tobacco wrapped only in tobacco leaves or paper with no provisions for cooling the smoke as it enters the user's mouth. This presents an uncomfortable situation to many smokers. The water in the bowl of a water pipe, or hookah, on the other hand, serves a primary purpose to cool the smoke; much in the same way the filter on most cigarettes cools and filters the tobacco smoke as it is burned. The water also serves a minimal secondary purpose to fitter and purify the smoke.
- While the water in the bowl of the hookah does much to cool the smoke that passes through it, the water does little to actually filter the smoke. As a result, the smoke from the tobacco that passes through the system carries with it the smoke from the coals, in addition to the ash, soot, tar, and toxic chemicals (such as nicotine and carbon monoxide) that are released from the burning tobacco. All of these freely pass through the hookah's plumbing, bubble through the water, directly into the user's mouth and lungs, adversely affecting the user's health over time.
- Currently, there are a number of inline systems available that are adapted for filtering the smoke after bubbling through the water into the hose. Some systems use a cotton or carbon filter element to cool and filter the smoke as it passes through the system, but are largely ineffective as they often alter the flavor of the smoke that passes or do little to actually filter the smoke. Other systems have employed a silica gel system in place of the carbon or cotton, but these filters increase the backpressure on the hose, requiring the user to draw harder on the mouthpiece. Further, as most systems include hoses and fittings of a fixed or single circumference, many existing systems do not create a tight enough seal between the hookah port outlet and the filter, or between the filter and the hose fitting, resulting in air leaks as the user draws on the mouthpiece or complete disconnect of the hose from the hookah port due to the loose coupling.
- There is therefore a need for an effective, compact, versatile, tightly fitting, and inexpensive method for filtering and cooling the smoke as it passes through the hose to the user.
- Disclosed is an effective, versatile, and inexpensive answer to water pipe filtration needs, addressed by an inline hookah filter formed to fit any common hookah stem and hose combination, fitting securely between the hookah port and the male fitting on the end of the hookah hose, and providing filtration and additional smoke cooling prior to the smoke exiting the system.
- The inline hookah filter of the present invention is formed in a conical or cylindrical shape with a tapered tip for adaptation to a hookah port, a female receiver with a rubber or similarly constructed seal tapered to receive the male fitting of a hookah hose, and a filter element contained within the cylindrical filter body, between the tapered tip and the female tapered seal. The tapered, cylindrical nature of the tip of the inline hookah filter is coated with a textured urethane rubber coating, or similar substrate, providing an airtight friction seal when pressed into place and coupled to a hookah port. The filter element of the inline Hookah Filter may be composed of a air-permeable membrane, such as cellulose acetate or a similar compound known to those skilled in the art, providing superior filtration and cooling properties than a similar product with a cotton, charcoal, or even silica gel filter element.
- The user inserts the male end of the hookah hose into the receiving end of the inline, hookah filter, coupling the male hose fitting with the female tapered seal providing a tight friction coupling between the male end of the hose and the female end of the inline hookah filter.
- As the user draws a breath through the hookah hose, smoke is pulled through the system, cooled as it bubbles through the water, and funneled through the inline hookah filter, which prevents water and impurities, such as ash, soot, tar, and toxic chemicals, from reaching the hookah hose and ultimately the user's lungs.
-
FIG. 1 is a side view of a typical hookah system with the present invention installed between the hookah port and the hookah hose, and further depicting the movement of smoke from burning tobacco, down the hookah stem, through a volume of water in the hookah base, through the port, through the inline hookah filter, into the hookah hose and out the mouthpiece to a user. -
FIG. 2 is a perspective view of one embodiment of the hookah filter, viewed from the inlet, or tapered tip, of the inline hookah filter, and showing the area covered by the urethane coating. -
FIG. 3 is a perspective view of one embodiment of the present invention, viewed from the top or outlet of the inline hookah filter, depicting the position and the interaction of the female tapered seal with the male hose fitting of the hookah hose, and the interaction of the tapered tip of the inline hookah filter with the port in the base of a hookah. -
FIG. 4 is a side view of one embodiment of the present invention, depicting the inline hookah filter's tapered, conical shape and the urethane coating on the tapered tip. -
FIG. 5 is a side cross sectional view of one preferred embodiment of the present invention, showing a cross section of the inline hookah filter, positioning of the filter element, the tapered shape of both the tapered tip and the female tapered seal, and the connection surfaces where the filter body and filter cap meet. -
FIG. 6 is a top view, looking into the outlet of the inline hookah filter, showing an interior view of the female tapered seal, and the star-shape of the internal screen of the filter cap that maintains filter element position. -
FIG. 7 is a bottom view, looking into the tapered tip of the inline hookah filter, showing the perforated opening, and the relative size of the tip to the rest of the inline hookah filter body. -
FIG. 8 is an exploded view of the of one embodiment of the present invention, showing the female tapered seal, the filter cap, the filter element, and the filter body with the tapered tip. - The present invention incorporates a filter apparatus for cooling and filtering the smoke produced by burning tobacco in a hookah or water pipe. A hookah may be formed in many variations, some more ornate than others. Often a hookah will have a manifold with multiple ports, serving multiple hoses, such that multiple users may smoke the hookah simultaneously. For simplicity, the hookah described herein is one designed for a single user and a single inline hookah filter, however that should not be viewed by those skilled in the art as a limiting aspect of the present invention. The present invention may be employed on as many hoses as formed on a given hookah.
- Referring to
FIG. 1 , a simple, single port hookah is generally labeled 100. The hookah itself has abowl 102,hookah stem 104, and abase 106. Thestem 104 andbase 106 connect at the top, andbowl 102 is affixed thereto. A hookah base is typically made from translucent or transparent glass, but the base may be constructed from many other substances known in the art, such as composites, plastics, or metal. Thebase 106 described herein is formed with asingle port 108, into which the male hose fitting 110 is ordinarily fit. However, as shown inFIG. 1 , theinline hookah filter 200 of the present invention is interposed betweenport 108 and the male fitting of the hookah,hose 110. - In order to utilize the hookah to smoke tobacco, or specially flavored shisha, the user will pack tobacco 112 (shown in dashed view) in the
bowl 102 and cover the top of the bowl with a screen (not pictured) and coals 116. The coals 116 are heated to the point of burning, and as coals 116 smolder, the coals 116 transfer heat across the screen (not shown) and burn thetobacco 112. - Once the
tobacco 112 begins to smolder and emit smoke, the user places themouthpiece 118 to his or her mouth and draws a breath throughmouthpiece 118. This action creates vacuum pressure withinhookah hose 120,port 108, andbase 106. The vacuum pressure drawssmoke 122 from the smolderingtobacco 112, through holes (not shown) formed in the bottom ofbowl 102, throughhookah stem 104 that extends into thewater 124 inbase 106. As thesmoke 122 arrives at the bottom of thehookah stem 104, it bubbles throughwater 124. The bubbles induce heat transfer, andsmoke 122 loses heat to the 5 surroundingwater 124. The now cooledsmoke 126 is collected within thebase 106 and moves outport 108. As the user continues to inhale from themouthpiece 118, the cooledsmoke 126 flows from the base 106 throughhookah port 108, through theinline hookah filter 200, intohose 120, and outmouthpiece 118 into the user's mouth and lungs. - Still referring to
FIG. 1 , theinline hookah titter 200 is interposed between thehookah port 108 and the male hose fitting 110. In use, theinline hookah filter 200 accepts ail of the cooledsmoke 126 passing through the hookah's plumbing, filtering water and other undesired impurities from the smoke 15 and further cooling the cooledsmoke 126, before the reaching themouthpiece 118 and the user at the end of the system. Theinline hookah filter 200, and more specifically the inner filter element 206 (inFIG. 2F shown in dashed view) traps the undesired impurities such as soot, ash, tar, and toxic chemicals, that may pass through thewater 124, and 20 prevent such things from reaching the user's lungs. - Referring to
FIG. 2 , the inline hookah filter, generally labeled 200, is depicted in perspective from the bottom, or taperedtip 210, looking up. The preferred embodiment of the present invention is formed with afilter body 202,filter cap 204,filter element 206, and a femaletapered seal 208.Filter element 206 and femaletapered seal 208 are shown inFIG. 3 .Filter body 202 is formed with a taperedtip 210 having aperforated opening 212 and rigid andnontoxic coating 214, such as urethane rubber or similar coating known to those skilled in the art.Filter body 202 andfilter cap 204 are joined at connection surfaces 222A-B. -
Tapered tip 210 is formed with a tapered shape similar to that of a 10 common male hose fitting 110 allowing secure fit to mosthookah ports 108 ofhookahs 100 in the market.Perforated opening 212 provides structural support to the opening offilter body 202 simultaneously allowing cooledsmoke 126 to pass while preventing large impurities and water from enteringinline hookah filter 200 andhookah hose 120. When 15 theinline hookah filter 200 is inserted intoport 108, coating 214 enables a secure, airtight seal between theinline hookah filter 200 andport 108. Often the male hose fitting 110 of anordinary hookah 100 is wooden or plastic while thehookah port 108 or manifold is glass or metal. As such, the seal provided between the male hose fitting 110 and thehookah port 108 is often poor, allowing air to flow around the coupling or worse, allowing the male hose fitting 110 to work loose and fall completely out of theport 108. In an effort to remedy this situation, a user may insert a separate piece of rubber, or fabric between male hose fitting 110 andport 108 in order to affect an airtight coupling. Coating 214 on the taperedtip 210 offilter body 202 provides such a solution, eliminating the need for the extra parts while providing an airtight coupling, it is to be appreciated by those skilled in the art, that other coatings besides a urethane rubber coating, as in this embodiment of the present invention, may be utilized to achieve the same ends. Urethane rubber in this sense is not intended to be a limiting aspect of the present invention. - In one alternative embodiment, the
filter body 202 is not coated with such a 10coating 214, but theentire filter body 202 is constructed of a rigid compound providing the similar characteristics. - Referring to
FIG. 3 , theinline hookah filter 200 is depicted in perspective from thefilter cap 204, looking down.Filter cap 204 is formed roughly as a cylinder, with a conical interior shape into which or femaletapered seal 208 is fixed. Femaletapered seal 208 is formed with ridges 216 extending, laterally around the interior perimeter.Ridges 218 are formed in progressively smaller diameters, moving toward the center ofinline hookah filter 200. - In use, the male hookah fitting 110 is moved in
direction 218 and 20 inserted into the femaletapered seal 208, and the progressively smaller ridges 216 of femaletapered seal 208, form a secure, friction-seal around the mate hookah fitting 110 of thehookah hose 120 when firmly pressed in place. Likewise, taperedtip 210 of theinline hookah filter 200 is moved in direction 219 to couple with thehookah port 108, wherecoating 214, provides a mechanism to create a similar airtight seal withport 108. This construction ensures ail cooled smoke 128 passes through theinline hookah filter 200, and more specifically,filter element 206, in use Filter element 206 (shown in phantom) is contained withinfilter body 202, and is sized slightly larger than the interior dimensions offilter body 202, ensuring a tight fit. This also prevents thefilter element 206 from moving around within thefilter body 202. - Referring now to
FIGS. 4-5 , the preferred embodiment of theinline hookah filter 200 is shown from a side view-FIG. 4 is a view from the outside of the present invention, whileFIG. 5 is a cross section of the same.FIG. 4 depicts the relative size of thefilter body 202 and thefilter cap 204, showing the taperedtip 210 andcoating 214.FIG. 5 more clearly shows the positioning offilter element 206 and its relative position withinfilter body 202.Filter element 206 is held in place byfilter cap 204 and, more specifically, the internal screen 220 formed intofilter cap 204. Internal screen 220 preventsfilter element 206 movement, while simultaneously allowing the cooled smoke 128 to pass and further aiding the prevention of water intrusion into thehookah hose 120. -
FIG. 5 further depicts ridges 216 of femaletapered seal 208. The five levels of tapering ofridges 216A-216E are shown for illustrative purposes. These should not be viewed as limiting, as those skilled in the art are to appreciate that a different number of ridges 216 and more or less tapering may be appropriate for a given embodiment. -
FIG. 6 is a top view of theinline hookah filter 200 looking into thefilter cap 204 and the femaletapered seal 208. This aspect clearly shows the concentric relationship between the femaletapered seal 208 and the internal screen 220. Further, the decreasing dimensions ofridges 216A-E of the interior diameter of femaletapered seal 208 are apparent. As a male hose fitting 110 is inserted into the femaletapered seal 208, the rubber of the ridges 216 of femaletapered seal 208 stretches slightly, and as the rubber of the ridges 216 contracts, the ridges 216 form an airtight seal around the male hose fitting 110. -
FIG. 7 is a view from the taperedlip 210 of thefilter body 202, showing a plan view of theperforated opening 212 of the taperedtip 210.Perforated opening 212 is designed to allow smoke to pass while preventing water intrusion to thefilter element 206. -
FIG. 8 is an exploded view of the preferred embodiment of theinline hookah litter 200, illustrating four, major parts:filter body 202,filter cap 204,filter element 206, and femaletapered seal 208. Thefilter body 202 contains thefilter element 206. In the preferred embodiment, thefilter element 206 is slightly larger than the cavity withinfilter body 202, creating a tight fit and preventingfilter element 206 from moving or sliding into the tapered tip. Thefilter cap 204 is further secured to the filter body and the internal screen 220 further maintainsfitter element 206 position. -
Filter cap 204 is formed with aconnection surface 222A that has acomplementary connection surface 222B onfilter body 202. When constructed,filter element 206 is inserted withinfilter body 202, andfilter cap 204 is fit securely in place by use of an adhesive or other appropriate substance known to those skilled in the art, to permanently couple thefilter body 202 andfilter cap 204 where the two portions meet atconnection surface 222A-222B. The preferred embodiment of the present invention affects a permanent bond atconnection surface 222A-222B. -
Filter cap 204 is further formed withinternal ridges 224, running along the longitudinal axis of theinterior filter cap 204, as shown inFIG. 8 . Correspondingexternal ridges 226 are formed onto the exterior of femaletapered seal 208, orthogonal to ridges 216 on the interior or femaletapered seal 208. When assembled,internal ridges 224 offilter cap 204 receiveexternal ridges 226 on femaletapered seal 208, maintaining the position of femaletapered seal 208 withinfilter cap 204. Just as the interior surface of femaletapered seal 208 maintains an airtight coupling with male hose fitting 110, the exterior diameter of femaletapered seal 208 is sized in order to maintain an airtight seal with the interior surface offilter cap 204. - An alternate embodiment of the present invention incorporates
filter body 202 andfilter cap 204 withconnection surfaces 222A-222B that are not permanent-!n an embodiment,connection surface 222A incorporates external threads that are complementary to internal threads formed onconnection surface 222B. This embodiment allows a user to twist thefilter body 202 away from thefilter cap 204 and separate the two parts. In another embodiment,connection surface 222A is formed with a groove on the interior perimeter whileconnection surface 222B is formed with a complementary ridge formed on the external perimeter, allowing the user to “snap” thefilter body 202 andfilter cap 204 apart and then back together. In these embodiments, a user can disconnect 15filter body 202 fromfilter cap 204 allowing the user to remove a usedfilter element 206 and replace it with anew filter element 206, and subsequently reattach the two halves. - In another embodiment of the present invention, the
filter body 202 andfilter cap 204 are constructed from a composite or plastic, enabling the 20 manufacturer to quickly and inexpensively mold the individual parts of theinline hookah filter 200. In another embodiment, thefilter body 202 andfilter cap 204 can be constructed, of a more rugged material such as a metal or alloy and incorporate the threaded or snap connection surfaces 222A-B, creating a sturdier and more lasting embodiment of the invention. - While the apparatus and method have been described in detail with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof. Thus, it is intended that the present description cover the modifications and variations of the apparatus and method provided they come within the scope of the appended claims and their equivalents.
Claims (17)
1. An improved hookah comprising:
a base having a port adapted to receive a hose;
a stem in fluid communication with the base;
a bowl in fluid communication with the stem; and
a filter removably disposed in the port wherein the filter comprises a filter body, filter cap, filter element, a female tapered seal adapted to receive the hose, and a tapered tip adapted to engage the port, said tapered tip and female tapered seal comprising a resilient non-toxic coating for hermetically sealing the hose to the base.
2. The hookah of claim 1 wherein the tapered tip comprises a male hose fitting.
3. The hookah of claim 1 wherein the perforated opening is gas permeable and solid impermeable.
4. The hookah of claim 1 wherein the perforated opening is water impermeable.
5. The hookah of claim 1 wherein the coating is made of urethane rubber or a material having resilient material characteristics similar to urethane rubber.
6. The hookah of claim 1 wherein the filter is cylindrical in plan view.
7. The hookah of claim 1 wherein the filter is conical in profile view.
8. The hookah of claim 1 wherein the filter element is larger in circumference than the filter body to ensure a tight fit.
9. The hookah of claim 1 wherein the filter element is held in place by the filter cap.
10. The hookah of claim 1 further comprising an internal screen formed into the filter cap.
11. The hookah of claim 1 wherein the female tapered seal comprises ridges adapted to stretch and contract when engaging a male hose fitting.
12. The hookah of claim 1 wherein the tapered tip comprises perforations.
13. The hookah of claim 1 wherein the filter cap is affixed to the filter body with an adhesive.
14. The hookah of claim 1 wherein the filter cap comprises longitudinal ridges.
15. The hookah of claim 1 wherein the filter body and filter cap comprise complimentary internal threads.
16. The hookah of claim 1 wherein the filter body and filter cap comprise a snap fitting.
17. The hookah of claim 1 wherein the filter body and filter cap are made from a material chosen from the list of plastic, plastic composite, metal and metal alloy.
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US13/773,568 US20140230832A1 (en) | 2013-02-21 | 2013-02-21 | Inline hookah filter |
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US13/773,568 US20140230832A1 (en) | 2013-02-21 | 2013-02-21 | Inline hookah filter |
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Cited By (14)
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US20150351452A1 (en) * | 2014-06-09 | 2015-12-10 | Mahmoud Hashemi Monazzah | Hookah smoke filtration device |
DE102015105621A1 (en) * | 2015-04-13 | 2016-10-13 | Mathias Lex | Filter for bongs |
US20180055088A1 (en) * | 2015-02-12 | 2018-03-01 | Mya Saray, Llc | Hookah Stem Adapter |
CN108185519A (en) * | 2017-12-18 | 2018-06-22 | 姚舜 | Filtering type water pipe |
WO2019106593A1 (en) * | 2017-12-01 | 2019-06-06 | Filtratubes Sal | Flexible tube disposable assembly with filter mouthpiece and water pipe adapter |
US10376657B2 (en) | 2015-08-27 | 2019-08-13 | Brendan Jones | Medicinal vapor filtration system |
CN110769706A (en) * | 2017-07-19 | 2020-02-07 | 菲利普莫里斯生产公司 | Hookah apparatus for enhancing aerosol characteristics |
WO2020142824A1 (en) * | 2018-12-21 | 2020-07-16 | Cyr Christian | Bong stem filter |
US10870129B1 (en) * | 2016-03-04 | 2020-12-22 | Alexander Dragan | Vapor infusion method and device |
WO2021224723A1 (en) * | 2020-05-08 | 2021-11-11 | Hsu Yu Ting | Paper hookah pipe |
US20220071278A1 (en) * | 2020-09-05 | 2022-03-10 | Dennis L. Johnson | Portable and disposable smoking pipe |
DE102021102698B3 (en) | 2021-02-05 | 2022-06-15 | Nico Müller | Connection piece for a water pipe |
US20230180823A1 (en) * | 2021-12-13 | 2023-06-15 | Lee Osborn | Waterpipe system |
US11930841B2 (en) | 2014-05-12 | 2024-03-19 | AF Development Holding Limited | Electrically-powered hookah apparatus, capsule of combustible material for use therewith and method for control thereof |
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Cited By (15)
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US11930841B2 (en) | 2014-05-12 | 2024-03-19 | AF Development Holding Limited | Electrically-powered hookah apparatus, capsule of combustible material for use therewith and method for control thereof |
US20150351452A1 (en) * | 2014-06-09 | 2015-12-10 | Mahmoud Hashemi Monazzah | Hookah smoke filtration device |
US20180055088A1 (en) * | 2015-02-12 | 2018-03-01 | Mya Saray, Llc | Hookah Stem Adapter |
DE102015105621A1 (en) * | 2015-04-13 | 2016-10-13 | Mathias Lex | Filter for bongs |
DE102015105621B4 (en) * | 2015-04-13 | 2016-12-29 | Mathias Lex | Filter for bongs |
US10376657B2 (en) | 2015-08-27 | 2019-08-13 | Brendan Jones | Medicinal vapor filtration system |
US10870129B1 (en) * | 2016-03-04 | 2020-12-22 | Alexander Dragan | Vapor infusion method and device |
CN110769706A (en) * | 2017-07-19 | 2020-02-07 | 菲利普莫里斯生产公司 | Hookah apparatus for enhancing aerosol characteristics |
WO2019106593A1 (en) * | 2017-12-01 | 2019-06-06 | Filtratubes Sal | Flexible tube disposable assembly with filter mouthpiece and water pipe adapter |
CN108185519A (en) * | 2017-12-18 | 2018-06-22 | 姚舜 | Filtering type water pipe |
WO2020142824A1 (en) * | 2018-12-21 | 2020-07-16 | Cyr Christian | Bong stem filter |
WO2021224723A1 (en) * | 2020-05-08 | 2021-11-11 | Hsu Yu Ting | Paper hookah pipe |
US20220071278A1 (en) * | 2020-09-05 | 2022-03-10 | Dennis L. Johnson | Portable and disposable smoking pipe |
DE102021102698B3 (en) | 2021-02-05 | 2022-06-15 | Nico Müller | Connection piece for a water pipe |
US20230180823A1 (en) * | 2021-12-13 | 2023-06-15 | Lee Osborn | Waterpipe system |
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