Patent ID: 7827995

Claim:
A hookah pipe, comprising: a stem assembly comprising a bowl, a stem extending downwardly from said bowl, a stem housing partially encasing said stem, and an interlocking element; said stem housing defining a bowl end adjacent to which said bowl is positioned, a bottom end from which said interlocking element extends, and a shoulder that is adjacent to said interlocking element and that defines a diameter that exceeds the diameter defined by said interlocking element; a base jar comprising a throat configured to accept said interlocking element therein; a thin sealing ring that encircles said interlocking element and is positioned between said base jar and a bottom surface of said stem housing shoulder when said interlocking element is inserted into said base jar throat; and whereby said interlocking element and said base jar throat are cooperatively configured such that a partial twist of said interlocking element relative to said base jar throat while said interlocking element is inserted within said throat will engage or disengage an interlock between said base jar throat and said interlocking element.