DIFF Subgroup
B01D 35/18 Heating or cooling the filters
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions > Heating or cooling the filters
CPC:
Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions > Heating or cooling the filters
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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