US PATENT SUBCLASS 202 / 130-- .~.~.~.~.~ With regenerator or recuperator

US PATENT SUBCLASS 202 / 130
.~.~.~.~.~ With regenerator or recuperator

Current as of: June, 1999
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202 /	HD	DISTILLATION: APPARATUS

81	DF	APPARATUS {4}
82	DF	.~ Systems {6}
96	DF	.~.~ Thermolytic {5}
105	DF	.~.~.~ Retort {14}
128	DF	.~.~.~.~ Inclined {4}
130		.~.~.~.~.~ With regenerator or recuperator

DEFINITION

Classification: 202/130

The retorts are inclined and associated with single or double surface air and/or gas heaters which are heated by the waste products of combustion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

111, 122, 123, 132, 140, 141, and indented subclasses 146 and 148.

SEE OR SEARCH CLASS

201, Distillation: Processes, Thermolytic,

15+, for a carbonizing process including indirectly heating the carbonaceous material by burning a product of the carbonizing step and subclass 37 for a carbonizing process in which combustion gases are passed into the retort.