US Patent Issued to VAHTERUS on March 25 for "Plate heat exchanger and its use as liquefied natural gas vaporizer" (Finnish Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,197, issued on March 25, was assigned to VAHTERUS OY (Kalanti, Finland).

"Plate heat exchanger and its use as liquefied natural gas vaporizer" was invented by Valtteri Haavisto (Rusko, Finland) and Kalle Vahatalo (Taivassalo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plate heat exchanger, which includes a flexible structure and/or a heating channel between the first support end plate of the plate pack and the first end plate of the outer casing, and/or an inner tube arranged inside the inlet connection tube of the first heat exchange medium for improving plate heat exchanger's ability to withstand thermal stresses caused by temperatu...