ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,518, issued on May 5, was assigned to GBA Marine AS (Kolbjornsvik, Norway).

"Vapour transfer assembly and method for use thereof" was invented by Rune Bo (Arendal, Norway) and Helge K. Aasen (Kolbjornsvik, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "Vapour transfer assembly for a plurality of oil tanks being connected to a common ventilation pipe to allow the atmosphere to be displaced from the tanks to avoid excessive pressure build-up in the tanks. The tanks are grouped into clusters of tanks comprising at least two tanks. A vapour transfer conduit from at least a first tank of such cluster of tanks is connected to a second tank of same cl...