US PATENT SUBCLASS 165 / DIG 364
.~.~ With fluid traversing passages formed through the plate


Current as of: June, 1999
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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.~.~ With fluid traversing passages formed through the plate {4}
DIG 365  DD  .~.~.~> Including peripheral seal element forming flow channel bounded by seal and heat exchange plates {3}
DIG 370  DD  .~.~.~> Unitary heat exchange plate and projecting edge
DIG 371  DD  .~.~.~> Including mating flanges around fluid traversing passage
DIG 372  DD  .~.~.~> Adjacent heat exchange plates having joined bent edge flanges for forming flow channels therebetween