Vaporizable material is supported within a vessel to promote contact of an introduced gas with the vaporizable material, and produce a product gas including vaporized material. A heating element supplies heat to a wall of the vessel to heat vaporizable material disposed therein. The vessel may comprise...http://www.google.es/patents/US7556244?utm_source=gb-gplus-sharePatente US7556244 - Method and apparatus to help promote contact of gas with vaporized material
Method and apparatus to help promote contact of gas with vaporized material
