F28F1/424 - CPC Classification Index

ClassID:

162101 ⎘

F28F1/424 - 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 both outside and inside the tubular element Means comprising outside portions integral with inside portions

Sub-classes:

F28F1/426 » {the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex} 100

Recent Application in this class:

20240328725

Heat Exchanger

20230204297

HEAT EXCHANGER ASSEMBLY AND METHOD FOR HVAC SYSTEM

20210172686

Heat exchange tube, heat exchanger, and manufacturing method for heat exchange tube

20190368821

HEAT TRANSFER APPARATUSES FOR OIL AND GAS APPLICATIONS

20180058763

Microchannel heat exchanger with an inward gas/liquid distribution structure

20170115073

HEAT EXCHANGER ELEMENTS AND DIVICES

20160131040

Heat exchanger having a coaxial or concentric tube construction

20160049210

Modular transportable nuclear generator

20150219409

HEAT EXCHANGER UTILIZING TUBULAR STRUCTURES HAVING INTERNAL FLOW ALTERING MEMBERS AND EXTERNAL CHAMBER ASSEMBLIES

20130133855

Heat exchanger for LPI vehicle