US PATENT SUBCLASS 210 / 137
.~ Maintaining stream pressure or flow

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


210 /   HD   LIQUID PURIFICATION OR SEPARATION

97  DF  FLOW, FLUID PRESSURE OR MATERIAL LEVEL, RESPONSIVE {14}
137.~ Maintaining stream pressure or flow

DEFINITION

Classification: 210/137

(under subclass 97) Apparatus to regulate pressure of or rate of flow of a liquid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

111, for means discharging treated material responsive to filter clogging.

114, for means discharging the heavier constituent responsive to treated liquid accumulation.

116, for discharge of treated material responsive to filtrate accumulation.

130, for a fluid pressure responsive bypass.