Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations (F28F3/08 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations

CPC: Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations (F28F3/08 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Plate-like or laminated elements; Assemblies of plate-like or laminated elements > Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations

CPC:

Plate-like or laminated elements; Assemblies of plate-like or laminated elements (specially adapted for movement F28F5/00) > Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations (F28F3/08 takes precedence)

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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F28F 3/022 CPC only CPC only
F28F 3/025 +1 CPC CPC only CPC only
F28F 3/04 the means being integral with the element +2 CPC IPC+CPC Available in IPC and CPC
F28F 3/06 the means being attachable to the element IPC+CPC Available in IPC and CPC