IPC Subgroup
F22B 37/48 Devices or arrangements for removing water, minerals or sludge from boilers
Introduced: September 1968
Last revised: January 2006
Full Title
Component parts or details of steam boilers > applicable to more than one kind or type of steam boiler > Devices or arrangements for removing water, minerals or sludge from boilers
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STEAM GENERATION
- Subclass:
- METHODS OF STEAM GENERATION; STEAM BOILERS
Related Keywords
CLEANING steam boilers, during operation
3 direct subcodes
Child Classifications
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- F22B 37/5 for draining or expelling water
- F22B 37/52 Washing-out devices
- F22B 37/54 De-sludging or blow-down devices