by heat drying, by cooling, by applying powders

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Devices for treating the surfaces of sheets, webs or other articles in connection with printing > by heat drying, by cooling, by applying powders

CPC:

Devices for treating the surfaces of sheets, webs, or other articles in connection with printing > by heat drying, by cooling, by applying powders

CPC subdivides this area 7x more granularly than IPC with 6 additional codes.

6 codes are CPC-only extensions.

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B41F 23/0403 +4 CPC CPC only CPC only
B41F 23/044 +4 CPC CPC only CPC only
B41F 23/0476 +1 CPC CPC only CPC only
B41F 23/0483 CPC only CPC only
B41F 23/0486 +2 CPC CPC only CPC only
B41F 23/0496 CPC only CPC only
B41F 23/06 Powdering devices, e.g. for preventing set-off +1 CPC IPC+CPC Available in IPC and CPC

Class B41,2013–2023, worldwide · Source: EPO PATSTAT

Class B41,2013–2023, worldwide · Source: EPO PATSTAT