US PATENT SUBCLASS 137 / 101.25
.~.~ Liquid level response

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

Internet Version by PATENTEC © 1999      Terms of Use


137 /   HD   FLUID HANDLING

87.01  DF  SELF-PROPORTIONING OR CORRELATING SYSTEMS {8}
98  DF  .~ Self-proportioning flow systems {5}
101.25.~.~ Liquid level response {2}
101.27  DF  .~.~.~> Float controlled weir or valve
101.29  DF  .~.~.~> Swinging outlet pipe controller

DEFINITION

Classification: 137/101.25

(under subclass 98) Subject matter comprising at least one means which senses the level of a liquid in means to receive an accumulation thereof and in response thereto exercises a control of the flow in one or more of the flow lines.

SEE OR SEARCH THIS CLASS, SUBCLASS:

386+, for liquid level responsive means without proportionate or correlated flow. See the search notes thereunder.