ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,001, issued on Sept. 29, was assigned to X-Treme Yachts B.V. (Sliedrecht, Netherlands).

"Water craft and method for manufacturing such a water craft" was invented by Jan Vink (Sliedrecht, Netherlands) and Tjerko Onno Jurgens (Sliedrecht, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "Water craft comprising a hull, with an opening and a lowerable segment arranged in said opening. The lowerable segment is coupled to the hull via a lifting mechanism for lowering or raising the lowerable segment with respect to the hull between a first position in which an outer surface of a bottom wall of the segment is substantially flush with the outer s...