Patent 6918435 was granted and assigned to LG on July, 2005 by the United States Patent and Trademark Office.
A fluid to gas heat exchanger comprising a plurality of fin-tube elements (6). Each fin-tube element is an integral extrusion and comprises tubes portions (61) for carrying heat exchange fluid and fin portions (62) for dissipating heat. The fin portions and tube portions run in the same direction side by side.