ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,085, issued on May 13, was assigned to BORSIG GMBH (Berlin).
"Heat exchanger for cooling cracked gas" was invented by Carsten Birk (Glienicke, Germany), Andreeas Forster (Berlin) and Michael Vogt (Dreetz, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cracked gas cooling heat exchanger includes a tube connection between an uncooled tube (1) and a cooled tube (2), having a cooled inner tube (3) enclosed by a jacket tube (4), with a tube intermediate space (5) for flowing cooling medium. A gas inlet header (11) has a GI tube inner part (12) and a GI tube outer part (13) and a cooling space (14) with an insulating layer (15). The GI tube oute...