IPC Subgroup
B01D 29/44 Edge filtering elements, i.e. using contiguous impervious surfaces
Introduced: January 1985
Last revised: January 2006
Full Title
Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; Filtering elements therefor > Edge filtering elements, i.e. using contiguous impervious surfaces
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION
2 direct subcodes
Child Classifications
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- B01D 29/46 of flat, stacked bodies
- B01D 29/48 of spirally or helically wound bodies