DIFF Subgroup
H10W 40/20 Arrangements for cooling
Introduced: January 2026
Full Title
Full titles differ between systems:
IPC:
Arrangements for thermal protection or thermal control > Arrangements for cooling
CPC:
Arrangements for thermal protection or thermal control (integrated devices comprising arrangements for thermal protection H10D89/60) > Arrangements for cooling
Of 4 combined children, 3 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2026.
Child Classifications
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- H10W 40/22 characterised by their shape, e.g. having conical or cylindrical projections since 2026 +1 CPC IPC+CPC Available in IPC and CPC