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DIFF Subgroup
F27D 17/10

Arrangements for using waste heat

Introduced: January 2025

Full Title

Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases > Arrangements for using waste heat

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2025.

Child Classifications

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  • F27D 17/102 CPC only CPC only
  • F27D 17/15 using boilers since 2025 IPC+CPC Available in IPC and CPC
  • F27D 17/17 for preheating fluids, e.g. air or gases since 2025 IPC+CPC Available in IPC and CPC
  • F27D 17/18 for preheating solid materials since 2025 IPC+CPC Available in IPC and CPC