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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F28F 13/12

by creating turbulence, e.g. by stirring, by increasing the force of circulation (F28F13/08 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by creating turbulence, e.g. by stirring, by increasing the force of circulation

CPC: by creating turbulence, e.g. by stirring, by increasing the force of circulation (F28F13/08 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Arrangements for modifying heat transfer, e.g. increasing, decreasing > by affecting the pattern of flow of the heat-exchange media > by creating turbulence, e.g. by stirring, by increasing the force of circulation

CPC:

Arrangements for modifying heat-transfer, e.g. increasing, decreasing (F28F1/00 - F28F11/00 take precedence) > by affecting the pattern of flow of the heat-exchange media > by creating turbulence, e.g. by stirring, by increasing the force of circulation (F28F13/08 takes precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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