US PATENT SUBCLASS 165 / DIG 76
WITH SCRAPER FOR REMOVING PRODUCT FROM HEAT TRANSFER SURFACE


Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

DIG 76WITH SCRAPER FOR REMOVING PRODUCT FROM HEAT TRANSFER SURFACE {4}
DIG 77  DD  .~> Screw shaped scraper
DIG 78  DD  .~> Linearly operated scraper {1}
DIG 80  DD  .~> Plural scrapers for spaced shelves or chambers
DIG 81  DD  .~> Rotary heat exchange scraper or scraper for rotary heat exchange surface {10}