US PATENT SUBCLASS 137 / 116.3
.~.~.~.~ With pressure reducing inlet valve

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

87.01  DF  SELF-PROPORTIONING OR CORRELATING SYSTEMS {8}
109  DF  .~ Self-controlled branched flow systems {4}
115.01  DF  .~.~ Bypass or relief controlled by main line fluid condition {3}
115.13  DF  .~.~.~ Pressure responsive {9}
116.3.~.~.~.~ With pressure reducing inlet valve {1}
116.5  DF  .~.~.~.~.~> Relief port through common sensing means

DEFINITION

Classification: 137/116.3

(under subclass 115) Devices with a correlated fluid pressure responsive regulator or pressure reducing valve controlling the inlet branch.

SEE OR SEARCH THIS CLASS, SUBCLASS:

505.11, for pressure regulators with independently operable relief valves.