US PATENT SUBCLASS 165 / DIG 434
.~.~.~.~.~ Plural strips forming tubesheet


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 400  DD  .~ Shell enclosed conduit assembly {4}
DIG 427  DD  .~.~ Manifold for tube-side fluid (i.e., parallel) {5}
DIG 432  DD  .~.~.~ Including a tube sheet {1}
DIG 433  DD  .~.~.~.~ Tubes-tubesheet connection {1}
DIG 434.~.~.~.~.~ Plural strips forming tubesheet