IPC Subgroup
F24F 11/41 Defrosting; Preventing freezing
Introduced: January 2018
Full Title
Control or safety arrangements > for purposes related to the operation of the system, e.g. for safety or monitoring > Defrosting; Preventing freezing
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEATING; RANGES; VENTILATING
- Subclass:
- AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
2 direct subcodes
Child Classifications
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- F24F 11/42 of outdoor units
- F24F 11/43 of indoor units