IPC Subgroup
F28C 3/1 one heat-exchange medium at least being a fluent solid, e.g. a particulate material
Introduced: September 1968
Last revised: January 2006
Full Title
Other direct-contact heat-exchange apparatus > one heat-exchange medium at least being a fluent solid, e.g. a particulate material
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEAT EXCHANGE IN GENERAL
- Subclass:
- HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
1 direct subcode
Child Classifications
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- F28C 3/12 the heat-exchange medium being a particulate material and a gas, vapour, or liquid