US PATENT SUBCLASS 165 / DIG 365
.~.~.~ Including peripheral seal element forming flow channel bounded by seal and heat exchange plates


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

Internet Version by PATENTEC © 1999      Terms of Use



165 /   HD   HEAT EXCHANGE

DIG 355  DD  HAVING SEPARATE FLOW PASSAGE FOR TWO DISTINCT FLUIDS {7}
DIG 356  DD  .~ Plural plates forming a stack providing flow passages therein {11}
DIG 364  DD  .~.~ With fluid traversing passages formed through the plate {4}
DIG 365.~.~.~ Including peripheral seal element forming flow channel bounded by seal and heat exchange plates {3}
DIG 366  DD  .~.~.~.~> Rigid or semi-rigid peripheral seal frame
DIG 367  DD  .~.~.~.~> Peripheral seal element between corrugated heat exchange plates {1}
DIG 369  DD  .~.~.~.~> Including seal to plate attachment means