IPC Subgroup
B01D 33/44 Regenerating the filter material in the filter
Introduced: January 1990
Last revised: January 2006
Full Title
Filters with filtering elements which move during the filtering operation > Regenerating the filter material in the filter
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION
3 direct subcodes
Child Classifications
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- B01D 33/46 by scrapers, brushes or the like acting on the cake-side of the filtering element
- B01D 33/48 by flushing, e.g. counter-current air-bumps
- B01D 33/52 by forces created by movement of the filter element