Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F28
HEAT EXCHANGE IN GENERAL
Load children
F28F
DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
Load children
1/00
Tubular elements; Assemblies of tubular elements
Load children Filter patents View analytics View as hierarchy
F28F1/10
Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
Load children Filter patents View analytics View as hierarchy
F28F1/12
the means being only outside the tubular element
Load children Filter patents View analytics View as hierarchy
F28F1/122
and being formed of wires
Filter patents View analytics View as hierarchy