ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,597, issued on May 20, was assigned to CAYAGO TEC GmbH (Bad Salzuflen, Germany).
"Watercraft" was invented by Hans-Peter Walpurgis (Bad Salzuflen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A watercraft has a hull which, in the area of the deck, has a support on which parts of the upper body of a user can rest and where the user can hold on to handles. A flow channel is defined on the hull and a propelling screw is disposed in the flow channel. The flow channel has an intake port and, downstream of the propelling screw, a jet outlet in the stern area. A support body is disposed on the stern area in such a way that the support body extend...