Patent ID: 8534296
Filing Date: 2013-09-17
Classification: A24F

Abstract:
1. A smoking apparatus comprising: a base chamber; a combustion bowl for containing combustible smokable material, the combustion bowl connected in an airtight manner to said base chamber; a body tube connected at a lower end in an air-tight manner to said base chamber to receive smoke from the combustion bowl, said body tube having at an upper end, opposite the lower end, an open mouthpiece from which a user draws smoke after the smoke has been filtered and cooled; a filter subassembly fitted within a lower portion of said body tube in proximity to said base chamber; a one-way valve in series with the filter subassembly, the one-way valve biased to be normally closed and to open in response to application of a negative pressure at the mouthpiece; and a diffusion subassembly comprising one or more diffusers at least partially covered with a water bath, which diffusers diffuse smoke into the water bath after application of the negative pressure has drawn the smoke through the one-way valve, wherein the one-way valve comprises a water column, wherein