IPC Subgroup
B01D 35/01 Devices for the removal of gas, e.g. air purge systems
Introduced: January 1990
Last revised: January 2006
Full Title
Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions > Devices for the removal of gas, e.g. air purge systems
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION