ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,498, issued on May 5, was assigned to FLEX-FEB ApS (Marstal, Denmark).

"Environmental barge for filtering oil from water in the spill response to oil pollution at sea" was invented by Jens Walther (Jaegerspris, Denmark) and Erik Schmidt (Horsholm, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "Environmental barge with belt skimmer for spill response to oil pollution at sea. The environmental barge consists of an upper part with pontoons and a lower part with a bottom with an integrated hydrophilic filter. The environmental barge is designed so that at least four environmental barges can be stacked inside and on top of each other. Oil-mixed wat...