(under subclass 345) Devices comprising combined kettle furnace steam-generators and steam-cookers. These devices are designed for cooking, by steam, food products in an open tank or receptacle.
SEE OR SEARCH THIS CLASS, SUBCLASS:
360, 366, 367, and 368, for submerged water heaters.
373+, for liquid heating vessels.
SEE OR SEARCH CLASS
122, Liquid Heaters and Vaporizers; for steam-boiler features.