US PATENT SUBCLASS 202 / 81
APPARATUS
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
Terms of Use
202 /
HD
DISTILLATION: APPARATUS
81
APPARATUS
{4}
82
DF
.~
> Systems {6}
*
DD
.~
> Types {3}
239
DF
.~
> Elements {10}
270
DF
.~
> Accessories and details
DEFINITION
Classification: 202/81
Apparatus and devices relating to the art of distillation not provided for in the subclasses below.
(1) Note. For heating see Search Notes below.
SEE OR SEARCH CLASS
62, Refrigeration, appropriate subclasses, for processes and apparatus involving compressing, cooling and expanding a fluid.
110, Furnaces, for furnaces.
122, Liquid Heaters and Vaporizers, for boilers.
126, Stoves and Furnaces, for heating.
137, Fluid Handling, for fluid handling apparatus. 159, Concentrating Evaporators, for evaporators.
201, Distillation: Processes, Thermolytic, appropriate subclass, for a process of thermolytically carbonizing a solid carbonaceous material.
203, Distillation: Processes, Separatory, appropriate subclass, for a process of separatory distillation.
219, Electric Heating, for heating.
432, Heating, for heating.
