Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F28
HEAT EXCHANGE IN GENERAL
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F28F
DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
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3/00
Plate-like or laminated elements; Assemblies of plate-like or laminated elements
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F28F3/02
Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
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F28F3/04
the means being integral with the element
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F28F3/048
in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
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