ClassID:

162085

F28F1/18 - CPC Classification

Classification description:

Tubular elements; Assemblies of tubular elements; Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion the element being built-up from finned sections

Recent Application in this class: