US PATENT SUBCLASS 202 / 160
.~.~.~.~ Automatic temperature and/or pressure control
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
DF
APPARATUS
{4}
82
DF
.~ Systems {6}
152
DF
.~.~ Separatory {3}
158
DF
.~.~.~ Column {4}
160
.~.~.~.~ Automatic temperature and/or pressure control
DEFINITION
Classification: 202/160
The column is provided with means for controlling its temperature or pressure automatically.
SEE OR SEARCH THIS CLASS, SUBCLASS:
151, 183, 184, and 206.
SEE OR SEARCH CLASS
73, Measuring and Testing,
700+, for a device for the direct measurement of pressure.
137, Fluid Handling,
505+, for a device for regulating the pressure of a fluid in a line.
196, Mineral Oils: Apparatus, 132, and 141.
203, Distillation: Processes, Separatory,
2, for a distillation process including the step of measuring the temperature.
236, Automatic Temperature and Humidity Regulation,
24.5, and 32.
361, Electricity: Electrical Systems and Devices,
160+, for electrical systems not otherwise classified and see
"SEARCH CLASS" under the class definition for various types
of electrical systems.
374, Thermal Measuring and Testing,
100+, for a device for quantitatively determining temperature.
