ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,261, issued on Sept. 22, was assigned to TECHNIP ENERGIES FRANCE SAS (Nanterre, France).

"Shell-and-tube heat exchanger, method of exchanging heat and use of heat exchanger" was invented by Peter Oud (Zoetermeer, Netherlands) and Esmaeil Mahmoudi Namarvar (The Hague, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the present invention relate to a shell-and-tube heat exchanger (101), a method of using said heat exchanger, and to a hydrocarbon cracking furnace system comprising said heat exchanger. The shell-and-tube heat exchanger comprises at least: a spiral baffle (7) arranged to provide a helical flow path through the shell...