US PATENT SUBCLASS 137 / 395
.~ Control of outflow from tank


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

386  DF  LIQUID LEVEL RESPONSIVE OR MAINTAINING SYSTEMS {11}
395.~ Control of outflow from tank {2}
396  DF  .~.~> Self-emptying tanks {1}
398  DF  .~.~> By float {1}


DEFINITION

Classification: 137/395

(under subclass 386) Apparatus which include means to control the outflow from the accumulation thereof in response to an element sensing the level of the accumulated liquid.

(1) Note. A patent to be classified in this or indented subclass must claim control of the outflow. Level responsive valve control which may control either an inflow or outflow and claimed broadly is classified in later subclasses of this group.

SEE OR SEARCH THIS CLASS, SUBCLASS:

165+, for float operated discharge of liquid feed traps to boilers.

192+, for float operated discriminating outlets for liquids in diverse fluid containing pressure systems.

202, for float operated discriminating outlets for gas in diverse fluid containing pressure systems.