Portable vaporizing device, cartridge and methods

Abstract

A portable vaporizing device and/or cartridge comprises a product chamber capable of holding a vaporizable product therein, and a porous valve element configured to be heated to flow the vaporizable product therethrough and generate vapor from the vaporizable product, and optionally including a heat transfer element to heat the vaporizable product as it flows through the product chamber towards the porous valve element.

What is claimed is: 
     
         1 . A portable vaporizing device comprising:
 a vaporizable product receiving chamber configured to receive a vaporizable product therein, the vaporizable product receiving chamber comprising one or more chamber walls defining an product flow path between upper and lower opposing ends of the vaporizable product receiving chamber;   a heat transfer element extending at least partly along the product flow path, and configured to transfer heat to vaporizable product received in the product receiving chamber to at least partially melt and/or reduce the viscosity of vaporizable product as it flows via gravitational pull from the upper end to the lower end along the product flow path; and   a porous valve element located towards the lower end of the vaporizable product receiving chamber, the porous valve element comprising:
 a porous valve body comprising porous material configured to allow heated vaporizable product having a predetermined viscosity to pass therethrough; 
 at least one first porous entry surface of the porous valve body configured to receive the heated vaporizable product from the product flow path into the porous valve body; and 
 at least one porous vaporizing surface of the porous valve body configured to flow the heated vaporizable product out of the porous valve body, 
   wherein the heat transfer element and porous valve element are configured to be placed in thermal contact with at least one heating element to provide heating of the heat transfer element and porous valve element during operation of the portable vaporizing device to heat the vaporizable product to the predetermined viscosity,   wherein the porous valve element is configured to be heated by the at least one heating element to cause the heated vaporizable product having the predetermined viscosity from the product receiving chamber to flow into and through the porous valve body, and to cause the heated vaporizable product to at least partially vaporize in the vicinity of the at least one porous vaporizing surface while exiting the porous valve body, and   wherein the porous valve body comprises a thermal conductivity of at least 0.5 W/m*K to retain and transfer heat to the vaporizable product.   
     
     
         2 . The device according to any preceding claim, wherein the heat transfer element is configured to be heated at a position along the product flow path to a predetermined temperature of at least 125° F., 135° F., a least 145° F., at least 150° F., at least 165° F., at least 170° F., at least 180° F., at least 195° F., at least 200° F., at least 215° F., at least 225° F., and/or at least 250° F. 
     
     
         3 . The device according to any preceding claim, wherein the heat transfer element is configured to be heated at the position along the product flow path to the predetermined temperature within a time period of no more than 10 seconds, no more than 25 seconds, no more than 50 seconds, no more than 75 seconds, no more than 100 seconds, and/or no more than 150 seconds. 
     
     
         4 . The device according to any preceding claim, wherein the heat transfer element is configured to be heated at the position along the product flow path to achieve a change in temperature at the predetermined position as compared to prior to heating onset of at least 50° F., at least 60° F., at least 75° F. and/or at least 100° F., in no more than 10 seconds, no more than 25 seconds, no more than 50 seconds, no more than 75 seconds, no more than 100 seconds, and/or no more than 150 seconds. 
     
     
         5 . The device according to any preceding claim, wherein the position at which the predetermined temperature is achieved is at one or more of a top end of the heat transfer element and an area along the length of the heat transfer element. 
     
     
         6 . The device according to any preceding claim, wherein the position at which the predetermined temperature is achieved extends along at least 10%, at least 25%, at least 50%, at least 75%, at least 90%, and/or at least 95% of the length of the heat transfer element. 
     
     
         7 . The device according to any preceding claim, wherein the predetermined viscosity of the vaporizable product in the vicinity of the at least one first porous entry surface, as heated by the heat transfer element and porous valve element is no more than 20 P, no more than 18 P, no more than 15 P, no more than 10 P, no more than 5 P, no more than 2 P, no more than 1.5 P, no more than 1.25 P, no more than 1 P, no more than 0.75 P, and/or no more than 0.5 P. 
     
     
         8 . The device according to any preceding claim, wherein the at least one first porous entry surface of the porous valve body is configured to be heated to a temperature of at least 125° F., at least 135° F., a least 145° F., at least 150° F., at least 165° F., at least 170° F., at least 180° F., at least 195° F., at least 200° F., at least 215° F., at least 225° F., and/or at least 250° F. 
     
     
         9 . The device according to any preceding claim, wherein the porous valve element is configured to be heated to the predetermined temperature within a time period of no more than 10 seconds, no more than 25 seconds, no more than 50 seconds, no more than 75 seconds, no more than 100 second, and/or no more than 150 seconds. 
     
     
         10 . The device according to any preceding claim, wherein the porous valve element is configured to be heated to achieve a change in temperature as compared to prior to heating onset of at least 50° F., at least 60° F., at least 75° F. and/or at least 100° F., in no more than 10 seconds, no more than 25 seconds, no more than 50 seconds, no more than 75 seconds, no more than 100 seconds, and/or no more than 150 seconds. 
     
     
         11 . The device according to any preceding claim, wherein at least a part of the at least one porous vaporizing surface of the porous valve body is a same surface that is configured to be placed in thermal contact with the at least one heating element. 
     
     
         12 . The device according to any preceding claim, wherein at least a portion of the porous vaporizing surface is on an opposing surface of the porous valve body from the at least one first porous entry surface. 
     
     
         13 . The device according to any preceding claim, wherein a net flow direction of the vaporizable product into the at least one first porous entry surface of the porous valve body is aligned with and/or no more than 45° offset from a major axis of flow of the vaporizable product through the product receiving chamber. 
     
     
         14 . The device according to any preceding claim, wherein a major axis of flow of the vaporizable product is along a longitudinal direction of the product receiving chamber, and wherein at least a portion of the at least one porous vaporizing surface of the porous valve element is substantially perpendicular to and/or at least 45° offset from the major flow axis. 
     
     
         15 . The device according to any preceding claim, wherein the porous vaporizing surface of the porous valve element comprises a first surface that is substantially perpendicular to a major axis of flow of the vaporizable product along the longitudinal direction of the product receiving chamber, at least a portion of which first surface is configured to be placed in thermal contact with the at least one heating element, and wherein the porous vaporizing surface further comprises a second surface about a periphery of the porous valve body. 
     
     
         16 . The device according to any preceding claim, wherein the first surface of the porous vaporizing surface that is configured to be placed in thermal communication with the at least one heating element comprises one or more grooves and/or channels formed therein. 
     
     
         17 . The device according to any preceding claim, wherein the first surface of the porous vaporizing surface that is configured to be placed in thermal communication with the at least one heating element comprises a substantially planar surface having one or more grooves and/or channels formed therein. 
     
     
         18 . The device according to any preceding claim, wherein the first surface of the porous valve body that is in thermal contact with the at least one heating element, and comprises a surface area of at least 10 mm 2 , at least 15 mm 2 , and/or at least 18 mm 2 , and wherein the at least one heating element is in contact with at least 50%, at least 65%, at least 75%, at least 85%, at least 90%, at least 95%, and/or substantially the entirety of a first surface comprising a planar section of the vaporizing surface of the porous valve body opposing the porous valve entry surface. 
     
     
         19 . The device according to any preceding claim, wherein a thickness of the porous valve body as measured between the first surface of the porous vaporizing surface and the at least one first porous entry surface, is at least 1.5 mm, at least 2 mm, and/or at least 3.5 mm, and no more than 10 mm, no more than 8 mm, and/or no more than 4 mm. 
     
     
         20 . The device according to any preceding claim, wherein at least a portion of the at least one at least one first porous entry surface of the porous valve body is configured to be exposed to the vaporizable product in the product receiving chamber. 
     
     
         21 . The device according to any preceding claim, wherein at least one of the porous valve element and the heat transfer element configured to be held in a compressive relationship with the at least one heating element. 
     
     
         22 . The device according to any preceding claim, wherein the heat transfer element and porous valve element comprise separate structures. 
     
     
         23 . The device according to any preceding claim, wherein the heat transfer element and porous valve element comprise a unitary structure. 
     
     
         24 . The device according to any preceding claim, wherein the heat transfer element extends beyond the at least one first porous entry surface of the porous valve body in a direction along the major axis of flow in the product receiving chamber. 
     
     
         25 . The device according to any preceding claim, wherein the heat transfer element extends along at least 25%, at least 35%, at least 50%, at least 65%, at least 75%, at least 85%, and/or at least 90% of the major flow axis through the product receiving chamber. 
     
     
         26 . The device according to any preceding claim, wherein the heat transfer element and/or porous valve element are configured to heat the vaporizable product to a temperature of at least 135° F., a least 145° F., at least 150° F., at least 165° F., at least 170° F., at least 180° F., at least 195° F., at least 200° F., at least 215° F., at least 225° F., and/or at least 250° F., along at least 25%, at least 35%, at least 50%, at least 65%, at least 75%, at least 85% and/or at least 90% of the major flow axis through the product receiving chamber. 
     
     
         27 . The device according to any preceding claim, wherein a length of the product receiving chamber along the major flow axis is at least 10 mm, at least 15 mm, and/or at least 20 mm. 
     
     
         28 . The portable vaporizing device according to any preceding claim, wherein the porous valve element comprises a porous body having a porous material comprising at least one selected from the group consisting of porous glass, porous ceramic, porous quartz, and porous sintered metal. 
     
     
         29 . The portable vaporizing device according to any preceding claim, wherein the porous valve element comprise a porous body having a porous material comprising at least one selected from the group consisting of porous borosilicate glass, porous alumina, and porous silicon carbide. 
     
     
         30 . The portable vaporizing device according to any preceding claim, wherein the porous valve element comprises a porous body having a porous material comprising porous borosilicate glass. 
     
     
         31 . The portable vaporizing device according to any preceding claim, wherein the porous valve element comprises a porous body having a thermal conductivity of at least 0.5 W/m*K, at least 0.8 W/m*K, at least 1 W/m*K, at least 1.15 W/m*K, and/or at least 1.2 W/m*K, and less than 300 W/m*K, less than 200 W/m*K, less than 100 W/m*K, less than 50 W/m*K, less than 25 W/m*K, less than 10 W/m*K, and/or less than 5 W/m*K. 
     
     
         32 . The portable vaporizing device according to any preceding claim, wherein the porous valve element comprises a porous body having a specific heat of less than 1200 J/kg*K, less than 1000 J/kg*K, and/or less than 900 J/kg*K, and greater than 500 J/kg*K, greater than 750 J/kg*K, and/or greater than 800 J/kg*K. 
     
     
         33 . The portable vaporizing device according to any preceding claim, wherein the porous valve element comprises a porous body having a porosity of at least 25%, at least 35%, and/or at least 50%, and less than 95%, less than 85% and/or less than 75%. 
     
     
         34 . The portable vaporizing device according to any preceding claim, wherein the porous valve element comprises a porous body having an average pore size of at least 2 microns, at least 3 microns, at least 4 microns, at least 5 microns, at least 8 microns, and/or at least 10 microns, and less than 25 microns, less than 18 microns, less than 16 microns, less than 10 microns and/or less than 8 microns. 
     
     
         35 . The portable vaporizing device according to any preceding claim, wherein the porous material comprises a median pore size in the range of from 2 to 20 microns, 3 to 6 microns, 8-20 microns, 4 to 5.5 microns and/or 10-16 microns. 
     
     
         36 . The portable vaporizing device according to any preceding claim, wherein the porous valve element comprises a porous material with a first porosity, and the heat transfer element comprises a porous material with a second porosity that is less than the first porosity. 
     
     
         37 . The portable vaporizing device according to any preceding claim, wherein the heat transfer element comprises at least one selected from a glass, a ceramic, and a metal. 
     
     
         38 . The portable vaporizing device according to any preceding claim, wherein the heat transfer element comprises at least selected from the group consisting of alumina, silicon carbide, stainless steel, titanium, aluminum, graphite and aluminum nitride. 
     
     
         39 . The portable vaporizing device according to any preceding claim, wherein the heat transfer element comprises at least one selected from the group consisting of alumina and silicon carbide. 
     
     
         40 . The portable vaporizing device according to any preceding claim, wherein the heat transfer element comprises a body having a thermal conductivity of at least 0.5 W/m*K, at least 0.8 W/m*K, at least 1 W/m*K, at least 1.15 W/m*K, and/or at least 1.2 W/m*K, and less than 300 W/m*K, less than 200 W/m*K, less than 100 W/m*K, less than 50 W/m*K, less than 25 W/m*K, less than 10 W/m*K, and/or less than 5 W/m*K. 
     
     
         39 . The portable vaporizing device according to any preceding claim, wherein the heat transfer element comprises a body having a specific heat of less than 1200 J/kg*K, less than 1000 J/kg*K, and/or less than 900 J/kg*K, and greater than 500 J/kg*K, greater than 750 J/kg*K, and/or greater than 800 J/kg*K. 
     
     
         41 . The portable vaporizing device according to any preceding claim, wherein the device is a refillable cartridge or a single use cartridge. 
     
     
         42 . The portable vaporizing device according to any preceding claim, wherein the device is configured to receive a refillable cartridge or single use cartridge comprising the vaporizable product receiving chamber, and wherein the device further comprises a mouthpiece configured to receive the vapor that exits the vaporizable product receiving chamber via the porous valve element. 
     
     
         43 . The portable vaporizing device according to any preceding claim, wherein the heat transfer element comprises an elongate heat-conducting column that extends along a predetermined length of the vaporizable product receiving chamber. 
     
     
         44 . The portable vaporizing device according to  claim 43  wherein the elongate heat-conducting column is disposed within the vaporizable product chamber. 
     
     
         45 . The portable vaporizing device according to  claim 43  wherein the elongate heat-conducting column is disposed externally to the vaporizable product chamber, and/or comprises one or more sidewalls of the vaporizable product chamber. 
     
     
         46 . The portable vaporizing device according to  claim 43 , wherein the elongate heat-conducting column comprises a plurality of fins extending radially outwardly from a central axis of the elongate heat-conducting column. 
     
     
         47 . The portable vaporizing device according to  claim 46 , wherein the elongate heat-conducting column comprises 4 fins that are positioned substantially equidistant about the central axis of the elongate heat-conducting column, and that extend outwardly from the central axis of the elongate heat conducting column, and wherein the fins further extend longitudinally along a length of the product receiving chamber. 
     
     
         48 . The portable vaporizing device of  claim 46 , wherein the plurality of fins extend at least 25%, at least 50%, at least 75%, at least 80% and/or at least 95% along the length of the product receiving chamber. 
     
     
         49 . The portable vaporizing device according to  claim 43 , wherein the elongate heat-conducting column comprises a first section comprising bulging portion along a central axis of the elongate heat-conducting column, the bulging portion comprising a greater radius from the central axis than one or more second sections along the central axis of the elongate heat conducting column. 
     
     
         50 . The portable vaporizing device according to  claim 49 , wherein the elongate heat-conducting column comprises a neck region proximate to the porous valve element along the central axis of the column, the neck region having a thinner diameter than other regions of the column along the central axis of the heat conducting column. 
     
     
         51 . The portable vaporizing device according to  claim 50 , wherein the elongate heat-conducting column tapers in diameter from a first maximum diameter to a second minimum diameter than is smaller than the first at the neck region proximate the porous valve element. 
     
     
         52 . The portable vaporizing device according to  claim 51 , wherein the elongate heat conducting column has a diameter or at least 2.5 mm, at least 3 mm and/or at least 3.5 mm proximate a base of the elongate heat conducting column and a diameter at a neck region of less than 4 mm, less than 3 mm and/or less than 2.5 mm. 
     
     
         53 . The portable vaporizing device according to  claim 45 , wherein the plurality of fins comprise portions that extend at least 25%, at least 50%, at least 75%, at least 85% and/or at least 95% of a cross-sectional width of the product receiving chamber. 
     
     
         54 . The portable vaporizing device according to any preceding claim, wherein the porous valve element comprises an annular fitting having a first portion comprising the porous entry surface that is configured to fit within the one or more walls defining the product chamber, and a second portion extending beyond the end of the one or more walls, the second portion having a peripheral region with a diameter greater than that of the first portion, wherein the vaporizable product travels through the first portion of the porous valve element to the second portion and the vapor formed from the vaporizable product exits the porous valve element through the one or more of a peripheral surface of the peripheral region, or through the second surface formed on the base of the second portion. 
     
     
         55 . The portable vaporizing device according to any preceding claim, wherein the porous valve element comprises an annular fitting having a central aperture formed therethrough, at least a portion of which annular fitting is disposed within the one or more walls of the product receiving chamber, and wherein the central aperture forms a reservoir configured to receive the vaporizable product therein. 
     
     
         56 . The portable vaporizing device according to  claim 55 , wherein the heat transfer element comprises an elongate column having a base configured to fit through aperture in the valve, to be placed in thermal contact with the at least one heating element. 
     
     
         57 . The portable vaporizing device according to any preceding claim, wherein the heat transfer element and porous valve element are configured to be heated by the same heating element or by different heating elements. 
     
     
         58 . The portable vaporizing device according to any preceding claim, wherein the porous valve element is configured to be heated by a first heating element in thermal contact with the vaporizing surface of the porous valve element, and heat transfer element is heated by a second heating element in contact with a base surface of the heat transfer element that is at a same side of the device as the vaporizing surface of the porous valve element. 
     
     
         59 . The portable vaporizing device according to any preceding claim, wherein the porous valve element is heated by a first heating element in thermal contact with the vaporizing surface of the porous valve element, and the heat transfer element is heated by a second heating element that extends along an internal length of the heat transfer element. 
     
     
         60 . The portable vaporizing device according to any preceding claim, wherein the first and/or second heating elements comprise one or more of a rod heater, a ring heater, a disc heater, a plate heater, a coil heater, a pancake coil, an/or wherein the first and second heating elements are external or internal to one or more of the porous valve element and/or heat transfer element. 
     
     
         61 . The portable vaporizing device according to any preceding claim, wherein the vaporizable product comprises any one or more of a liquid, a wax and/or a material that is substantially solid at room temperature. 
     
     
         62 . The portable vaporizing device according to  claim 33 , wherein the vaporizable product comprises any one or more of hash, cannabidiol, and a cannabis oil distillate. 
     
     
         63 . The portable vaporizing device according to any preceding claim, wherein the product flow path comprises a substantially linear flow path or a convoluted flow path from the upper end to the lower end of the product chamber. 
     
     
         64 . A method of using the portable vaporizing device according to any preceding claim, comprising:
 heating the porous valve element and flow path heat transfer element to flow the product through the product chamber and pass the vaporizable product through the porous valve element and generate a vapor therefrom; and   inhaling the generated vapor.   
     
     
         65 . A method of manufacturing a cartridge for a vaporizable product, the method comprising filling the portable vaporizing device of any of  claims 1 - 64  with the vaporizable product. 
     
     
         66 . A portable vaporizing device comprising:
 a vaporizable product receiving chamber configured to receive a vaporizable product therein, the vaporizable product receiving chamber comprising one or more chamber walls defining a product flow path between upper and lower opposing ends of the vaporizable product receiving chamber; and   a porous valve element located towards the lower end of the vaporizable product receiving chamber that is configured to heat the vaporizable product to a predetermined viscosity, the porous valve element comprising:
 a porous valve body comprising porous material configured to allow heated vaporizable product having the predetermined viscosity to pass therethrough; 
 at least one exposed first porous entry surface of the porous valve body that is configured to be placed in direct thermal contact with vaporizable product in the product chamber to transfer heat thereto, the at least one first porous entry surface being configured to receive the heated vaporizable product from the product flow path into the porous valve body, and the exposed first porous entry surface comprising a porous material having a thermal conductivity of at least 0.5 W/m*K; and 
 at least one porous vaporizing surface configured to flow the heated vaporizable product therethrough such that the vaporizable product is at least partially vaporized in the vicinity of the at least one porous vaporizing surface while exiting the porous valve body, 
   wherein a portion of the at least one porous vaporizing surface is on a side of the porous valve body opposite the first porous entry surface, and the portion of at least one porous vaporizing surface is configured to be placed into direct contact with at least one heating element to provide heating of the porous valve element during operation of the portable vaporizing device.   
     
     
         67 . The device according to  claim 66 , wherein the porous valve element comprises a disc-shaped body at a bottom end of the product chamber and seals a bottom opening of the product chamber. 
     
     
         68 . The device according to  claim 66 , wherein the at least one heating element comprises a heating plate and/or heating ring that is placed in a compressed relationship with the vaporizing surface of the porous valve element. 
     
     
         69 . The device according to any of  claims 66 - 68 , wherein the porous valve element is configured to be heated to a predetermined temperature of at least 135° F., a least 145° F., at least 150° F., at least 165° F., and/or at least 170° F., at least 180° F., at least 195° F., at least 200° F., at least 215° F., at least 225° F., and/or at least 250° F. 
     
     
         70 . The device according to any of  claims 66 - 69 , wherein the porous valve element is configured to be heated to the predetermined temperature within a time period of no more than 10 seconds, no more than 25 seconds, no more than 50 seconds, no more than 75 seconds, no more than 100 seconds, and/or no more than 150 seconds. 
     
     
         71 . The device according to any of  claims 66 - 70 , wherein the porous valve element is configured to be heated to achieve a change in temperature as compared to prior to heating onset of at least 50° F., at least 60° F., at least 75° F. and/or at least 100° F., in no more than 10 seconds, no more than 25 seconds, no more than 50 seconds, no more than 75 seconds, no more than 100 seconds, and/or no more than 1500 seconds. 
     
     
         72 . The device according to any of  claims 66 - 71 , wherein the position at which the predetermined temperature is achieved is at one or more of the first porous entry surface and vaporizing surface. 
     
     
         73 . The device according to any of  claims 66 - 72 , wherein the predetermined viscosity of the vaporizable product in the vicinity of the at least one first porous entry surface, as heated by the porous valve element is no more than 20 Poise, no more than 18 Poise, no more than 15 Poise, no more than 10 Poise, no more than 5 Poise, no more than 2 Poise, no more than 1.5 Poise, no more than 1.25 Poise, no more than 1 Poise, no more than 0.75 Poise, and/or no more than 0.5 Poise. 
     
     
         74 . The device according to any of  claims 66 - 73 , wherein a net flow direction of the vaporizable product into the at least one first porous entry surface of the porous valve body is aligned with and/or no more than 45° offset from a major axis of flow of the vaporizable product through the product receiving chamber. 
     
     
         75 . The device according to any of  claims 66 - 74 , wherein a major axis of flow of the vaporizable product is along a longitudinal direction of the product receiving chamber, and wherein at least a portion of the at least one porous vaporizing surface of the porous valve element is substantially perpendicular to and/or at least 45° offset from the major flow axis. 
     
     
         76 . The device according to any of  claims 66 - 75 , wherein the porous vaporizing surface of the porous valve element comprises a first surface that is substantially perpendicular to a major axis of flow of the vaporizable product along the longitudinal direction of the product receiving chamber, at least a portion of which first surface is configured to be placed in thermal contact with the at least one heating element, and wherein the porous vaporizing surface further comprises a second surface about a periphery of the porous valve body. 
     
     
         77 . The device according to any of  claims 66 - 76 , wherein the first surface of the porous vaporizing surface that is configured to be placed in thermal communication with the at least one heating element comprises one or more grooves and/or channels formed therein. 
     
     
         78 . The device according to any of  claims 66 - 77 , wherein the first surface of the porous vaporizing surface that is configured to be placed in thermal communication with the at least one heating element comprises a substantially planar surface having one or more grooves and/or channels formed therein. 
     
     
         79 . The device according to any of  claims 66 - 78 , wherein the first surface of the porous valve body that is in thermal contact with the at least one heating element comprises a surface area of at least at least 10 mm 2 , at least 15 mm 2 , and/or at least 18 mm 2 , and wherein the at least one heating element is in contact with at least 50%, at least 65%, at least 75%, at least 85%, at least 90%, and/or at least 95% of the first surface of the porous valve body. 
     
     
         80 . The device according to any of  claims 66 - 79 , wherein a thickness of the porous valve body as measured between the first surface of the porous vaporizing surface and the at least one first porous entry surface, is at least at least 1.5 mm, at least 2 mm, and/or at least 3.5 mm, and no more than 10 mm, no more than 8 mm, and/or no more than 4 mm. 
     
     
         81 . The device according to any of  claims 66 - 80 , wherein a length of the product receiving chamber along the major flow axis is at least at least 10 mm, at least 15 mm, and/or at least 20 mm. 
     
     
         82 . The portable vaporizing device according to any of  claims 66 - 81 , wherein the porous valve element comprises a porous body having a porous material comprising at least one selected from the group consisting of porous glass, porous ceramic, porous quartz, and porous sintered metal. 
     
     
         83 . The portable vaporizing device according to any of  claims 66 - 82 , wherein the porous valve element comprise a porous body having a porous material comprising at least one selected from the group consisting of porous borosilicate glass, porous alumina, and porous silicon carbide. 
     
     
         84 . The portable vaporizing device according to any of  claims 66 - 83 , wherein the porous valve element comprises a porous body having a porous material comprising porous borosilicate glass. 
     
     
         85 . The portable vaporizing device according to any of  claims 66 - 84 , wherein the porous valve element comprises a porous body having a thermal conductivity of at least 0.5 W/m*K, at least 0.8 W/m*K, at least 1 W/m*K, at least 1.15 W/m*K, and/or at least 1.2 W/m*K, and less than 300 W/m*K, less than 200 W/m*K, less than 100 W/m*K, less than 50 W/m*K, less than 25 W/m*K, less than 10 W/m*K, and/or less than 5 W/m*K. 
     
     
         86 . The portable vaporizing device according to any of  claims 66 - 85 , wherein the porous valve element comprises a porous body having a specific heat of less than 1200 J/kg*K, less than 1000 J/kg*K, and/or less than 900 J/kg*K, and greater than 500 J/kg*K, greater than 750 J/kg*K, and/or greater than 800 J/kg*K. 
     
     
         87 . The portable vaporizing device according to any of  claims 66 - 86 , wherein the porous valve element comprises a porous body having a porosity of at least 25%, at least 35%, and/or at least 50%, and less than 95%, less than 85% and/or less than 75%. 
     
     
         88 . The portable vaporizing device according to any of  claims 66 - 87 , wherein the porous valve element comprises a porous body having an average pore size of at least 2 microns, at least 3 microns, at least 4 microns, at least 5 microns, at least 8 microns, and/or at least 10 microns, and less than 25 microns, less than 18 microns, less than 16 microns, less than 10 microns and/or less than 8 microns. 
     
     
         89 . The portable vaporizing device according to any of  claims 66 - 88 , wherein the porous material comprises a median pore size in the range of from 2 to 20 microns, 3 to 6 microns, 8-20 microns, 4 to 5.5 microns and/or 10-16 microns. 
     
     
         90 . The portable vaporizing device according to any of  claims 66 - 89 , wherein the device is a refillable cartridge or a single use cartridge. 
     
     
         91 . The portable vaporizing device according to any of  claims 66 - 90 , wherein the device is configured to receive a refillable cartridge or single use cartridge comprising the vaporizable product receiving chamber, and wherein the device further comprises a mouthpiece configured to receive the vapor that exits the vaporizable product receiving chamber via the porous valve element. 
     
     
         92 . The portable vaporizing device according to any of  claims 66 - 91 , wherein the porous valve element comprises an disc-shaped fitting having a first portion comprising the porous entry surface that is configured to fit within the one or more walls defining the product chamber, and a second portion extending beyond the end of the one or more walls, the second portion having a peripheral region with a diameter greater than that of the first portion, wherein the vaporizable product travels through the first portion of the porous valve element to the second portion and the vapor formed from the vaporizable product exits the porous valve element through the one or more of a peripheral surface of the peripheral region, or through the second surface formed on the base of the second portion. 
     
     
         93 . The portable vaporizing device according to any of  claims 66 - 92 , wherein the vaporizable product comprises any one or more of a liquid, a wax and/or a material that is substantially solid at room temperature. 
     
     
         94 . The portable vaporizing device according to any of  claims 66 - 93 , wherein the vaporizable product comprises any one or more of hash, cannabidiol, and a cannabis oil distillate. 
     
     
         95 . The portable vaporizing device according to any of  claims 66 - 94 , wherein the product flow path comprises a substantially linear flow path or a convoluted flow path from the upper end to the lower end of the product chamber. 
     
     
         96 . A method of using the portable vaporizing device according to any of  claims 66 - 95 , comprising:
 heating the porous valve element to flow the product through the product chamber and pass the vaporizable product through the porous valve element and generate a vapor therefrom; and   inhaling the generated vapor.   
     
     
         97 . A method of manufacturing a cartridge for a vaporizable product, the method comprising filling the portable vaporizing device of any of  claims 66 - 96  with the vaporizable product. 
     
     
         98 . The portable vaporizing device according to any preceding claim, wherein the device comprises:
 a gas flow chamber configured to receive vaporized product exiting the product chamber via the porous valve element, and direct the vaporized product towards a mouthpiece comprising an inhalation outlet that allows for inhalation of the vaporized product.   
     
     
         99 . The portable vaporizing device according to  claim 98 , wherein the gas flow chamber is external to the product chamber, and re-directs a flow of vaporized product from a bottom end of the gas flow chamber where product is received from the vaporizing surface of the porous valve element, to a top end of the gas flow chamber to flow the vaporized product to the mouthpiece. 
     
     
         100 . The portable vaporizing device according to  claim 99 , wherein the gas flow chamber is external to and laterally surrounds the product chamber. 
     
     
         101 . The portable vaporizing device according to any of  claims 98 - 100 , wherein the gas flow chamber is defined by sidewalls of a housing of the device. 
     
     
         102 . The portable vaporizing device according to any of  claims 98 - 101 , wherein the gas flow chamber receives vaporized product exiting the porous valve element in a lateral direction. 
     
     
         103 . The portable vaporizing device of any preceding claim, wherein the device comprises the at least one heating element, and is configured to receive a cartridge comprising the product chamber such that the heating surfaces of the porous valve element and/or heat transfer element are placed in direct physical contact with the one or more heating elements. 
     
     
         104 . The portable vaporizing device of any preceding claim, wherein the device comprises a power source configured to deliver at least about 15 watts of power to the at least one heating element.