US Patent Issued to SFS Group AS on Sept. 9 for "Fish cage with improved water exchange and farming condition" (Norwegian Inventor)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,636, issued on Sept. 9, was assigned to SFS Group AS (Stavanger, Norway).

"Fish cage with improved water exchange and farming condition" was invented by Alf Reidar Sandstad (Stavanger, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cage is for farming fish. The cage floats in a water column and the upper portion of the cage has a surrounding floating body arranged to float in a water surface. An enclosure is located between the upper portion and the lower portion of the cage, the enclosure being closed in its lower portion and forming an inside and an outside. The cage has a liquid-tight wall which is attached to the floating body and whic...