US PATENT SUBCLASS 137 / 112
.~.~.~ Alternate or successive inflows

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}
109  DF  .~ Self-controlled branched flow systems {4}
111  DF  .~.~ Plural inflows {2}
112.~.~.~ Alternate or successive inflows {1}
113  DF  .~.~.~.~> Control by depletion of source

DEFINITION

Classification: 137/112

(under subclass 111) Systems in which flow in one inlet is alternated with the flow in a second inlet or is substituted therefor in response to a sensing of a changed condition.