IPC Main Group
F28F 19/00 Preventing the formation of deposits or corrosion, e.g. by using filters
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEAT EXCHANGE IN GENERAL
- Subclass:
- DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
2 direct subcodes
Child Classifications
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- F28F 19/01 by using means for separating solid materials from heat-exchange fluids, e.g. filters
- F28F 19/02 by using coatings, e.g. vitreous or enamel coatings