Patent Classification Explorer PCE

DIFF Main Group

B08B 15/00

Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area

Introduced: September 1968

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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B08B 15/002 +1 CPC CPC only CPC only
B08B 15/007 CPC only CPC only
B08B 15/02 using chambers or hoods covering the area +2 CPC IPC+CPC Available in IPC and CPC
B08B 15/04 from a small area, e.g. a tool IPC+CPC Available in IPC and CPC