ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,977, issued on July 28, was assigned to Kai Concepts LLC (Alameda, Calif.).
"Hydrojet propulsion system" was invented by Donald Lewis Montague (Paia, Hawaii), Peter Jell (Breitbrunn, Germany), Merten Stroetzel (Pacific Palisades, Calif.), Joseph Andrew Brock (Alameda, Calif.) and Matthew Campbell Greaves (Corinda, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A personal watercraft is disclosed including a flotation portion, a strut extending from the flotation portion, and a motor pod is disposed along the strut with an electric motor operably coupled to a driveshaft. A hydrojet unit is removably attached to the motor pod and includes an ...