US PATENT SUBCLASS 137 / 473
.~.~.~ Separate relief valves or valves for each branch

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

455  DF  LINE CONDITION CHANGE RESPONSIVE VALVES {11}
469  DF  .~ Pop valves {5}
472  DF  .~.~ Pop pressure reactor in branched released path {1}
473.~.~.~ Separate relief valves or valves for each branch

DEFINITION

Classification: 137/473

(under subclass 472) Valves in which the flow in each path is initiated or controlled by a separate valve or valve area, at least one of which is of the pop reactor and/or huddling chamber type.