(under subclass 373) Devices including means for vibrating, or creating or directing fluid currents within, the contents of the vessel by means of a thermosiphonic or other heat resultant condition of the contents.
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379, for devices wherein agitation is produced incidentally by jets of heating fluid.
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99, Foods and Beverages: Apparatus,
287, and 348 for infusing and cooking devices having agitating or stirring means.
165, Heat Exchange, 108, for a heat exchanger vessel with recirculation not specialized to heating.