Arrangements of devices for treating smoke or fumes

Introduced: September 1968

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1995.

Child Classifications

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F23J 15/003 CPC only CPC only
F23J 15/006 CPC only CPC only
F23J 15/02 of purifiers, e.g. for removing noxious material (traps for solid residues F23J3/04) since 1995 +1 CPC IPC+CPC Available in IPC and CPC
F23J 15/06 of coolers since 1995 IPC+CPC Available in IPC and CPC
F23J 15/08 of heaters since 1995 IPC+CPC Available in IPC and CPC