US PATENT SUBCLASS 122 / 367.2
.~ Double immersed heat transmitters

Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

367.1  DF  HEAT TRANSMITTER {3}
367.2.~ Double immersed heat transmitters

DEFINITION

Classification: 122/367.2

Double immersed heat transmitters:

Devices under subclasses 367.1 wherein the heat transmitting tubes have an inner shell and an outer shell both of which transfer heat to a fluid.